{"title":"Differential Shims","description":null,"products":[{"product_id":"differential-shim-kit","title":"Frankland Racing Superlite Quick Change Differential Shim Kit — Steel Adjustment Shims","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Frankland Racing\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFrankland Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Frankland Racing lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Tuning for Your Frankland Superlite Quick Change Differential\u003c\/h2\u003e\u003cp\u003eThe \u003cb\u003eFrankland Racing Superlite Quick Change Differential Shim Kit\u003c\/b\u003e is an essential tool for any serious racer or mechanic looking to achieve optimal performance and longevity from their quick change differential. Precision setup of your differential is paramount to ensure correct gear mesh, minimize wear, and maximize power transfer. This comprehensive kit provides a range of durable steel shims, allowing for meticulous adjustments to backlash and bearing preload, which are critical for the efficient and reliable operation of your Frankland Superlite Quick Change unit.\u003c\/p\u003e\u003ch3\u003eKey Benefits of a Properly Shimmed Differential:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Gear Mesh:\u003c\/b\u003e Ensures perfect contact between gear teeth, reducing friction and preventing premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtended Differential Life:\u003c\/b\u003e Proper shimming minimizes stress on internal components, significantly prolonging the lifespan of your expensive differential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximized Power Transfer:\u003c\/b\u003e Reduces parasitic drag and ensures that more horsepower is effectively delivered to the wheels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReduced Noise \u0026amp; Vibration:\u003c\/b\u003e A precisely set up differential operates more smoothly and quietly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Steel Construction:\u003c\/b\u003e Each shim is crafted from high-quality steel, designed to withstand the extreme forces within a racing differential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFrankland Superlite Specific:\u003c\/b\u003e Engineered for perfect compatibility with Frankland Superlite Quick Change differentials, guaranteeing a precise fit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUnlocking Peak Drivetrain Efficiency\u003c\/h3\u003e\u003cp\u003eAchieving the perfect differential setup is a blend of art and science, and the Frankland Racing Superlite Quick Change Differential Shim Kit provides the necessary components to master this crucial task. Whether you're fine-tuning your race car for a specific track condition or performing routine maintenance, these steel adjustment shims are indispensable. They allow for the precise calibration needed to ensure your differential operates at its peak, providing consistent performance and reliability under the most demanding conditions. Don't compromise on precision; invest in the quality and accuracy of Frankland Racing shims for your Superlite Quick Change differential. Find all your Frankland Racing components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Frankland Racing products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hub-nut-2-5in-gn-rh\" style=\"color:#0066cc;text-decoration:none;\"\u003eFrankland Racing GN0060 2.5in Grand National Spindle Hub Nut - Passenger Side\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hub-kit-2-5in-gn\" style=\"color:#0066cc;text-decoration:none;\"\u003eFrankland Racing Hub Kit 2.5-inch GN Rear — 5x5 Bolt Pattern\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gleason-torsen-diff-qc-w-bearings\" style=\"color:#0066cc;text-decoration:none;\"\u003eFrankland Racing Gleason Torsen Differential Carrier — 31 Spline\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rear-cover-superlight-coated\" style=\"color:#0066cc;text-decoration:none;\"\u003eFrankland Racing Superlight Rear Cover 10-Bolt Coated — Fits Quick Change Differentials\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/superlite-rear-cover\" style=\"color:#0066cc;text-decoration:none;\"\u003eFrankland Racing Superlite Rear Cover 10-Bolt Natural — Fits Quick Change Differentials\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Frankland Racing Superlite Quick Change Differential Shim Kit \\u2014 Steel Adjustment Shims\",\"description\":\"Achieve precise differential setup with the Frankland Racing Superlite Quick Change Differential Shim Kit. Durable steel shims ensure optimal gear mesh and performance.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Frankland Racing\"},\"mpn\":\"KT0445\",\"url\":\"https:\/\/ggcracing.com\/products\/differential-shim-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"13.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/differential-shim-kit\",\"sku\":\"GBXV_KT0445\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Frankland Racing\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Frankland+Racing\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Frankland Racing Superlite Quick Change Differential Shim Kit \\u2014 Steel Adjustment Shims\",\"item\":\"https:\/\/ggcracing.com\/products\/differential-shim-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Frankland Racing Superlite Quick Change Differential Shim Kit \\u2014 Steel Adjustment fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Frankland Racing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Frankland Racing Superlite Quick Change Differential Shim Kit \\u2014 Steel Adjustment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Frankland Racing","offers":[{"title":"Default Title","offer_id":40871283490900,"sku":"GBXV_KT0445","price":13.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/FRKKT0445.jpg?v=1714372320"},{"product_id":"10-hole-pinion-support-shim-pack-kit","title":"Moser Engineering 10-Hole Pinion Support Shim Pack Kit — Ford 9in \/ GM 10-Bolt","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Moser Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMoser Engineering engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Moser Engineering lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eMoser Engineering 10-Hole Pinion Support Shim Pack Kit: Precision for Your Differential\u003c\/h2\u003e\u003cp\u003eAchieving optimal gear mesh and backlash is crucial for the longevity and performance of any differential. The Moser Engineering 10-Hole Pinion Support Shim Pack Kit provides the essential components needed for precise setup of your Ford 9-inch or GM 10-bolt differential. This comprehensive kit ensures that your pinion support is perfectly aligned, minimizing wear and maximizing efficiency.\u003c\/p\u003e\u003ch3\u003eEssential for Proper Differential Setup\u003c\/h3\u003e\u003cp\u003eShims play a vital role in setting the correct pinion depth and bearing preload, directly impacting the lifespan and quiet operation of your gears. This kit includes a variety of shims, allowing you to fine-tune your differential for peak performance and durability. Whether you're rebuilding a rear end or making adjustments, these shims are indispensable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Differential Shim Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Ford 9-inch, GM 10-Bolt Differentials\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Pinion Support\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHole Count:\u003c\/b\u003e 10-Hole Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePurpose:\u003c\/b\u003e Adjust Pinion Depth and Bearing Preload\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReliability from Moser Engineering\u003c\/h3\u003e\u003cp\u003eMoser Engineering is synonymous with high-quality drivetrain components, and this shim kit is no exception. Each shim is manufactured to precise tolerances, ensuring accurate adjustments and a reliable setup. Don't compromise on the critical details of your differential build; choose Moser for proven performance and peace of mind. Find this essential kit and more at GGCRACING.COM.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Moser Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/differential-case-ford-9-inch-3-062\" style=\"color:#0066cc;text-decoration:none;\"\u003eMoser Engineering 3.062 Super Light Differential Case — Ford 9 inch Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ford-9in-alm-carrier-case-3-250-od-bearing\" style=\"color:#0066cc;text-decoration:none;\"\u003eMoser Engineering 3250ALU Pro Case Differential — Ford 9 inch 3.250 Bore Aluminum Carrier\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ford-9in-alm-diff-case-3-812\" style=\"color:#0066cc;text-decoration:none;\"\u003eMoser Engineering 3812ALU Aluminum Differential Case — Fits Ford 9 inch, 3.812 inch Bore\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rotor-adapter-steel-8-bolt\" style=\"color:#0066cc;text-decoration:none;\"\u003eMoser Engineering Steel Rotor Adapter 5x4.75 to 8x7.000 — Disc Brake Conversion\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dust-cap-univesal-1pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eMoser Engineering Universal Aluminum Dust Cap — Wheel Hub Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Moser Engineering 10-Hole Pinion Support Shim Pack Kit \\u2014 Ford 9in \/ GM 10-Bolt\",\"description\":\"Achieve perfect gear mesh with the Moser Engineering 10-Hole Pinion Support Shim Pack Kit. Compatible with Ford 9-inch and GM 10-bolt differentials. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Moser Engineering\"},\"mpn\":\"PSSPK10\",\"url\":\"https:\/\/ggcracing.com\/products\/10-hole-pinion-support-shim-pack-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"45.00\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/10-hole-pinion-support-shim-pack-kit\",\"sku\":\"BJFQ_PSSPK10\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Moser Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Moser+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Moser Engineering 10-Hole Pinion Support Shim Pack Kit \\u2014 Ford 9in \/ GM 10-Bolt\",\"item\":\"https:\/\/ggcracing.com\/products\/10-hole-pinion-support-shim-pack-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Moser Engineering 10-Hole Pinion Support Shim Pack Kit \\u2014 Ford 9in \/ GM 10-Bolt fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Moser Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Moser Engineering 10-Hole Pinion Support Shim Pack Kit \\u2014 Ford 9in \/ GM 10-Bolt?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Moser Engineering","offers":[{"title":"Default Title","offer_id":40872924381268,"sku":"BJFQ_PSSPK10","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MEIPSSPK10.jpg?v=1714401771"},{"product_id":"spool-shim-adapter","title":"Mark Williams Spool Shim Adapter Pair — Fits Ford 9in Rear End","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Mark Williams\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMark Williams engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mark Williams lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Mark Williams Spool Shim Adapter\u003c\/h2\u003e\u003cp\u003eAchieve perfect alignment in your Ford 9-inch rear end with the Mark Williams Spool Shim Adapter. This pair of adapters is specifically designed to bridge the gap between a stock bore spool and a 3.250-inch case, ensuring a secure and accurate fitment that is vital for high-performance drivetrain efficiency.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ford 9-inch Rear End\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Stock Bore Spool in 3.250-inch Case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-strength steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper shim alignment is the key to minimizing drivetrain vibration and maximizing power transfer to the wheels. These adapters are manufactured to strict tolerances, providing the stability required for competitive racing environments. The durable steel construction, paired with a black oxide finish, ensures that these adapters will withstand the extreme heat and pressure of the track without deforming or failing.\u003c\/p\u003e\u003cp\u003eAt GGCRACING, we specialize in providing the high-end components that professional racers and serious enthusiasts rely on. Whether you are setting up a new gear ratio or rebuilding your rear end, these spool shim adapters are a critical piece of the puzzle. Trust in the quality of Mark Williams products to keep your drivetrain running smoothly and reliably. Find all your essential racing components right here at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Mark Williams products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quick-rel-steering-hub\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams Quick Release Steering Hub 3\/4in Shaft — 4-Bolt Wheel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gt-5-bolt-quick-release\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams GT 5-Bolt Quick Release - Grant GT 3\/4in Shaft — Black Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/q-r-steering-hub-6-hole-sparco-momo-str-wheels\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams SFI 42.1 Quick Release Hub — Fits Sparco\/Momo 6-Hole\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gm-8-5-10-pinion-yoke\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams 1350 U-Joint Pinion Yoke — GM 8.5\" 10-Bolt, 30 Spline\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/th400-t-10-trans-yoke\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams TH400 T-10 Slip Yoke 32 Spline — 1350 U-Joint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Mark Williams Spool Shim Adapter Pair \\u2014 Fits Ford 9in Rear End\",\"description\":\"Ensure precise fitment with the Mark Williams Spool Shim Adapter for Ford 9-inch rear ends. High-quality steel construction. Shop racing parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Mark Williams\"},\"mpn\":\"57510\",\"url\":\"https:\/\/ggcracing.com\/products\/spool-shim-adapter\",\"offers\":{\"@type\":\"Offer\",\"price\":\"48.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/spool-shim-adapter\",\"sku\":\"BJFM_57510\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Mark Williams\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Mark+Williams\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Mark Williams Spool Shim Adapter Pair \\u2014 Fits Ford 9in Rear End\",\"item\":\"https:\/\/ggcracing.com\/products\/spool-shim-adapter\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Mark Williams Spool Shim Adapter Pair \\u2014 Fits Ford 9in Rear End fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Mark Williams?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Mark Williams Spool Shim Adapter Pair \\u2014 Fits Ford 9in Rear End?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":40881365942356,"sku":"BJFM_57510","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MWE57510.jpg?v=1714535174"},{"product_id":"9in-ford-pinion-shim-kit-7-16in-holes","title":"Mark Williams Ford 9 Inch Pinion Shim Kit — 0.005-0.015in Depth Shims 7\/16in Holes","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Mark Williams\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMark Williams engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mark Williams lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAchieve Perfect Gear Mesh: Mark Williams Ford 9-Inch Pinion Shim Kit\u003c\/h2\u003e\u003cp\u003eAchieve perfect gear mesh and extend the life of your Ford 9-inch differential with the Mark Williams Pinion Shim Kit. This comprehensive kit provides a range of precision shims, allowing for meticulous adjustment of pinion depth. Accurate shimming is absolutely crucial for minimizing noise, reducing wear, and maximizing the efficiency and longevity of your differential.\u003c\/p\u003e\u003ch3\u003ePrecision Components for Optimal Performance:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAccurate Pinion Depth:\u003c\/b\u003e Essential for proper gear contact and reduced wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive Range:\u003c\/b\u003e Includes shims from 0.005 inches to 0.015 inches for fine-tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Made from high-quality materials for lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExact Fitment:\u003c\/b\u003e Designed specifically for Ford 9-inch differentials with 7\/16-inch holes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Reliable Drivetrain\u003c\/h3\u003e\u003cp\u003eDon't compromise on differential setup. Mark Williams is trusted by professionals for precision components that deliver superior performance and durability. This pinion shim kit is an indispensable tool for any differential build or rebuild, ensuring silent operation, maximum power transfer, and prolonged component life. Proper shimming prevents costly damage and ensures your drivetrain performs at its peak.\u003c\/p\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eComponent Type:\u003c\/b\u003e Pinion Depth Shims\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShim Thickness Range:\u003c\/b\u003e 0.005 to 0.015 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHole Diameter:\u003c\/b\u003e 7\/16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFitment:\u003c\/b\u003e Ford 9-inch Differentials\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKit Contents:\u003c\/b\u003e Assorted Pinion Shims\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGet your precision parts and ensure your Ford 9-inch differential is set up for success with Mark Williams. Explore more high-performance drivetrain solutions at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Mark Williams products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quick-rel-steering-hub\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams Quick Release Steering Hub 3\/4in Shaft — 4-Bolt Wheel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gt-5-bolt-quick-release\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams GT 5-Bolt Quick Release - Grant GT 3\/4in Shaft — Black Anodized Aluminum\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/q-r-steering-hub-6-hole-sparco-momo-str-wheels\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams SFI 42.1 Quick Release Hub — Fits Sparco\/Momo 6-Hole\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gm-8-5-10-pinion-yoke\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams 1350 U-Joint Pinion Yoke — GM 8.5\" 10-Bolt, 30 Spline\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/th400-t-10-trans-yoke\" style=\"color:#0066cc;text-decoration:none;\"\u003eMark Williams TH400 T-10 Slip Yoke 32 Spline — 1350 U-Joint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Mark Williams Ford 9 Inch Pinion Shim Kit \\u2014 0.005-0.015in Depth Shims 7\/16in Holes\",\"description\":\"Precisely set your Ford 9 inch differential pinion depth with the Mark Williams shim kit. Includes 0.005in to 0.015in shims for optimal gear mesh.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Mark Williams\"},\"mpn\":\"57916\",\"url\":\"https:\/\/ggcracing.com\/products\/9in-ford-pinion-shim-kit-7-16in-holes\",\"offers\":{\"@type\":\"Offer\",\"price\":\"35.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/9in-ford-pinion-shim-kit-7-16in-holes\",\"sku\":\"BJFM_57916\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Mark Williams\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Mark+Williams\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Mark Williams Ford 9 Inch Pinion Shim Kit \\u2014 0.005-0.015in Depth Shims 7\/16in Holes\",\"item\":\"https:\/\/ggcracing.com\/products\/9in-ford-pinion-shim-kit-7-16in-holes\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Mark Williams Ford 9 Inch Pinion Shim Kit \\u2014 0.005-0.015in Depth Shims 7\/16in Hol fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Mark Williams?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Mark Williams Ford 9 Inch Pinion Shim Kit \\u2014 0.005-0.015in Depth Shims 7\/16in Hol?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Mark Williams","offers":[{"title":"Default Title","offer_id":40881384259668,"sku":"BJFM_57916","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MWE57916.jpg?v=1714535358"},{"product_id":"diversified-machinect1-spool-shim-kit","title":"Diversified Machine CT1 Spool Shim Kit — Bulldog Quick Change Differential","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Diversified Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDiversified Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Diversified Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision CT1 Spool Shim Kit for Bulldog Quick Change\u003c\/h2\u003e\u003cp\u003eAchieve the perfect differential setup with the Diversified Machine (DMI) CT1 Spool Shim Kit. Designed specifically for Bulldog Quick Change rear ends, these high-quality steel shims allow for precise adjustment of your spool, ensuring optimal gear mesh and drivetrain efficiency. Proper shim alignment is critical for reducing wear and maximizing power transfer in high-performance racing applications.\u003c\/p\u003e\u003ch3\u003eKit Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Bulldog Quick Change \/ CT-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Spool Shim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 2.066 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Includes:\u003c\/strong\u003e Essential shims for precise differential spacing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are setting up a new gear set or performing a routine differential service, this shim kit provides the necessary components to get your backlash and spacing dialed in correctly. The robust steel construction ensures that your settings remain stable under the extreme heat and stress of track conditions. Investing in quality shim kits is a small but essential step in preventing premature gear failure. Trust your drivetrain setup to the precision components available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Diversified Machine products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/diversified-machinerearend-lube-1-gallon-bulldog\" style=\"color:#0066cc;text-decoration:none;\"\u003eDiversified Machine Bulldog Blood 75W90 Synthetic Rearend Lube — 1 Gallon\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/diversified-machinerearend-lube-1qt-bulldog\" style=\"color:#0066cc;text-decoration:none;\"\u003eDiversified Machine Bulldog Blood 75W90 Synthetic Gear Oil 1qt — High Performance Racing L\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/diversified-machinebearing-for-2-7-8in-smart-tube-hub\" style=\"color:#0066cc;text-decoration:none;\"\u003eDiversified Machine Smart Tube Wheel Bearing 2-7\/8in — High-Load Racing Hub Component\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/diversified-machineviton-seal-for-dmi-2-7-8in-smart-tube\" style=\"color:#0066cc;text-decoration:none;\"\u003eDiversified Machine Viton Hub Bearing Seal 4in OD — Fits 2-7\/8in Smart Tube\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/diversified-machineo-ring-style-seal-for-dmi-2-7-8in-smart-tube\" style=\"color:#0066cc;text-decoration:none;\"\u003eDiversified Machine O-Ring Style Inner Hub Seal — Fits DMI 2-7\/8in Smart Tube Rear\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Diversified Machine CT1 Spool Shim Kit \\u2014 Bulldog Quick Change Differential\",\"description\":\"Fine-tune your Bulldog Quick Change rear end with the CT1 Spool Shim Kit. High-quality steel shims for precise differential setup. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Diversified Machine\"},\"mpn\":\"RRC-1276\",\"url\":\"https:\/\/ggcracing.com\/products\/diversified-machinect1-spool-shim-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"49.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/diversified-machinect1-spool-shim-kit\",\"sku\":\"HVGP_RRC-1276\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Diversified Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Diversified+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Diversified Machine CT1 Spool Shim Kit \\u2014 Bulldog Quick Change Differential\",\"item\":\"https:\/\/ggcracing.com\/products\/diversified-machinect1-spool-shim-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Diversified Machine CT1 Spool Shim Kit \\u2014 Bulldog Quick Change Differential fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Diversified Machine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Diversified Machine CT1 Spool Shim Kit \\u2014 Bulldog Quick Change Differential?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Diversified Machine","offers":[{"title":"Default Title","offer_id":41087895765076,"sku":"HVGP_RRC-1276","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DMIRRC-1276.jpg?v=1716939291"},{"product_id":"performance-engineering-manufacturingqc-spool-shim-12pc-kit","title":"Performance Engineering \u0026 Manufacturing QC Spool Shim 12pc Kit 0.012in — Quick Change Rear Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Performance Engineering \u0026amp; Manufacturing\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003ePerformance Engineering \u0026amp; Manufacturing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Performance Engineering \u0026amp; Manufacturing lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Alignment with PEM Spool Shims\u003c\/h2\u003e\u003cp\u003eEnsure your drivetrain operates at peak efficiency with the Performance Engineering \u0026amp; Manufacturing (PEM) 0.012in Spool Shim Kit. Designed specifically for high-performance Quick Change rear ends, these shims are essential for achieving the exact pinion depth required for optimal gear contact patterns. Whether you are performing a routine gear swap or a complete rear-end rebuild, having the correct shim thickness is critical to preventing premature gear wear and catastrophic failure under racing conditions.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThickness: 0.012 inches\u003c\/li\u003e\n\u003cli\u003eApplication: Quick Change Rear Ends\u003c\/li\u003e\n\u003cli\u003eQuantity: 12-piece set\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength steel\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for exact tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese shims provide the consistency needed for competitive racing, allowing for fine-tuned adjustments that standard shims cannot match. By maintaining proper pinion alignment, you reduce friction, lower operating temperatures, and extend the service life of your ring and pinion set. Trust PEM components for your drivetrain needs. Find all the professional-grade driveline hardware you need at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Performance Engineering \u0026amp; Manufacturing products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/standard-quick-change-gears\" style=\"color:#0066cc;text-decoration:none;\"\u003ePerformance Engineering 18Q Quick Change Gear Set — 10 Spline Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturing400-gm-slip-yoke-1310-5-50in-32-spline\" style=\"color:#0066cc;text-decoration:none;\"\u003ePerformance Engineering \u0026amp; Manufacturing TH400 Slip Yoke 1310 32 Spline 5.50in — Drivetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingstandard-quick-change-gears\" style=\"color:#0066cc;text-decoration:none;\"\u003ePerformance Engineering \u0026amp; Manufacturing Standard Quick Change Gears 61001 10 Spline — Stee\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingstandard-quick-change-gears-set-1q\" style=\"color:#0066cc;text-decoration:none;\"\u003ePerformance Engineering \u0026amp; Manufacturing 1Q Quick Change Gear Set — 10 Spline Steel Gears\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingstandard-quick-change-gears-1\" style=\"color:#0066cc;text-decoration:none;\"\u003ePerformance Engineering \u0026amp; Manufacturing 61002 Standard Quick Change Gears Set 2 10 Spline\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Performance Engineering \u0026 Manufacturing QC Spool Shim 12pc Kit 0.012in \\u2014 Quick Change Rear Ends\",\"description\":\"Achieve precise pinion depth with the PEM 0.012in Spool Shim 12pc Kit. Durable construction for Quick Change rear ends. Shop professional racing parts now.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Performance Engineering \u0026 Manufacturing\"},\"mpn\":\"QCC0133\",\"url\":\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingqc-spool-shim-12pc-kit\",\"offers\":{\"@type\":\"Offer\",\"price\":\"8.59\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingqc-spool-shim-12pc-kit\",\"sku\":\"GSDD_QCC0133\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Performance Engineering \u0026 Manufacturing\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Performance+Engineering+\u0026+Manufacturing\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Performance Engineering \u0026 Manufacturing QC Spool Shim 12pc Kit 0.012in \\u2014 Quick Change Rear Ends\",\"item\":\"https:\/\/ggcracing.com\/products\/performance-engineering-manufacturingqc-spool-shim-12pc-kit\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Performance Engineering \u0026 Manufacturing QC Spool Shim 12pc Kit 0.012in \\u2014 Quick C fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Performance Engineering \u0026 Manufacturing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Performance Engineering \u0026 Manufacturing QC Spool Shim 12pc Kit 0.012in \\u2014 Quick C?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Performance Engineering \u0026 Manufacturing","offers":[{"title":"Default Title","offer_id":41120370163796,"sku":"GSDD_QCC0133","price":8.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/PEMQCC0133.jpg?v=1717306295"},{"product_id":"motive-gearcarrier-super-shims-gm-12-bolt","title":"Motive Gear Carrier Super Shims GM 12-Bolt — Differential Setup Kit","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Motive Gear\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMotive Gear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Motive Gear lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/zFq4OMzPRSo\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Differential Tuning: Motive Gear Carrier Super Shims\u003c\/h2\u003e\u003cp\u003eAchieving the correct backlash and carrier bearing preload is critical for the longevity and performance of your differential. The Motive Gear Carrier Super Shims for GM 12-bolt axles are designed to provide the precision adjustment needed for a perfect gear mesh. These high-quality steel shims are essential for anyone performing a ring and pinion gear swap or a differential rebuild.\u003c\/p\u003e\u003ch3\u003eWhy Use Motive Gear Super Shims?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fit:\u003c\/strong\u003e Specifically engineered for GM 12-bolt differential housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel:\u003c\/strong\u003e Durable construction ensures consistent thickness and long-term stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Setup:\u003c\/strong\u003e Makes the process of setting carrier preload faster and more accurate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Rebuilds:\u003c\/strong\u003e A must-have component when replacing ring and pinion gears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Finish:\u003c\/strong\u003e High-grade steel ready for installation in your drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Prevents premature gear wear caused by improper backlash.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't leave your drivetrain setup to chance. Using the right shims is the difference between a quiet, long-lasting differential and one that fails under load. Motive Gear is a trusted name in the industry, providing parts that meet or exceed OEM specifications. Whether you are a professional mechanic or a dedicated DIY enthusiast, these shims provide the reliability required for high-performance street and track applications. Ensure your GM 12-bolt differential is set up correctly the first time with these precision shims from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Motive Gear products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearcarrier-shims-7-5-8-5-gm-10-bolt-rearend\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Carrier Shims 7.5-8.5 GM 10 Bolt Differential Shim Kit — Fits GM 10-Bolt Rear-\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearuniversal-joint-u-bolt\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Universal Joint U-Bolt Kit 1310 Series — Fits 1310 U-Joint Yokes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearbearing-kit-gm-9-76-rear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Master Bearing Kit GM 9.76 Rear — Fits GM 9.76-inch Differential\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gear4-57-ratio-ford-10in-ring-pinion-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear 4.57 Ratio Ring \u0026amp; Pinion Gear Set — Fits Ford 10in Rear-End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gear4-71-ratio-ford-10in-ring-pinion-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear 4.71 Ratio Pro Gear Ring \u0026amp; Pinion Set — Fits Ford 10in Rear-End\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Motive Gear Carrier Super Shims GM 12-Bolt \\u2014 Differential Setup Kit\",\"description\":\"Achieve the perfect differential setup with Motive Gear Carrier Super Shims for GM 12-bolt axles. 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Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Motive Gear\"},\"mpn\":\"SS12\",\"url\":\"https:\/\/ggcracing.com\/products\/motive-gearcarrier-super-shims-gm-12-bolt\",\"offers\":{\"@type\":\"Offer\",\"price\":\"23.39\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/motive-gearcarrier-super-shims-gm-12-bolt\",\"sku\":\"BHHD_SS12\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Motive Gear\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Motive+Gear\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Motive Gear Carrier Super Shims GM 12-Bolt \\u2014 Differential Setup Kit\",\"item\":\"https:\/\/ggcracing.com\/products\/motive-gearcarrier-super-shims-gm-12-bolt\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Motive Gear Carrier Super Shims GM 12-Bolt \\u2014 Differential Setup Kit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. 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See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Motive Gear","offers":[{"title":"Default Title","offer_id":41120380256340,"sku":"BHHD_SS12","price":23.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MOTSS12.jpg?v=1717307249"},{"product_id":"motive-gearcarrier-shims-7-5-8-5-gm-10-bolt-rearend","title":"Motive Gear Carrier Shims 7.5-8.5 GM 10 Bolt Differential Shim Kit — Fits GM 10-Bolt Rear-Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Motive Gear\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eMotive Gear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Motive Gear lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/TQnKTV9uWDM\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Differential Setup with Motive Gear Shims\u003c\/h2\u003e\u003cp\u003eProper carrier bearing preload and backlash are critical for the longevity and performance of your GM 10-bolt rear-end. The Motive Gear Carrier Shim Kit is engineered to provide the exact adjustments needed for 7.5-inch and 8.5-inch GM differential housings. Whether you are performing a routine rebuild or upgrading to a performance ring and pinion set, these high-quality steel shims ensure your gears mesh perfectly every time.\u003c\/p\u003e\u003ch3\u003eWhy Choose Motive Gear Shims?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fitment:\u003c\/strong\u003e Specifically designed for GM 7.5 and 8.5 10-bolt rear-end differentials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Material:\u003c\/strong\u003e Constructed from high-strength steel to resist deformation under heavy load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Comprehensive kit allows for precise backlash and side-bearing preload tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Prevents premature gear wear and differential noise caused by improper setup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't settle for inconsistent gear contact patterns. Using high-quality shims is the professional way to ensure your drivetrain operates smoothly and quietly under all driving conditions. These shims are the go-to choice for mechanics and performance enthusiasts who demand accuracy during differential overhauls. For all your high-performance drivetrain needs, trust the quality components found at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Motive Gear products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearcarrier-super-shims-gm-12-bolt\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Carrier Super Shims GM 12-Bolt — Differential Setup Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearuniversal-joint-u-bolt\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Universal Joint U-Bolt Kit 1310 Series — Fits 1310 U-Joint Yokes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gearbearing-kit-gm-9-76-rear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear Master Bearing Kit GM 9.76 Rear — Fits GM 9.76-inch Differential\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gear4-57-ratio-ford-10in-ring-pinion-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear 4.57 Ratio Ring \u0026amp; Pinion Gear Set — Fits Ford 10in Rear-End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/motive-gear4-71-ratio-ford-10in-ring-pinion-gear\" style=\"color:#0066cc;text-decoration:none;\"\u003eMotive Gear 4.71 Ratio Pro Gear Ring \u0026amp; Pinion Set — Fits Ford 10in Rear-End\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Motive Gear Carrier Shims 7.5-8.5 GM 10 Bolt Differential Shim Kit \\u2014 Fits GM 10-Bolt Rear-Ends\",\"description\":\"Achieve precise differential setup with Motive Gear carrier shims for GM 7.5-8.5 10-bolt rear-ends. 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See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Motive Gear","offers":[{"title":"Default Title","offer_id":41120380518484,"sku":"BHHD_SS10","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/MOTSS10.jpg?v=1717307258"},{"product_id":"ratechpinion-shims-gm","title":"Ratech Universal Pinion Shim Kit — Steel Differential Adjustment Shims","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9hmz4Uy_xFU\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Depth Adjustment\u003c\/h2\u003e\u003cp\u003eAchieving the correct pinion depth is the most critical step in setting up a differential. The Ratech Universal Pinion Shim Kit provides the high-quality steel shims you need to dial in your gear mesh pattern with absolute precision. Designed for versatility, this kit is compatible with a wide range of popular rear-end configurations, including Dana, Ford, GM, and Mopar axles.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech Steel Shims?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-strength steel construction for consistent thickness\u003c\/li\u003e\n\u003cli\u003eUniversal compatibility across major axle manufacturers\u003c\/li\u003e\n\u003cli\u003eEssential for achieving correct tooth contact patterns\u003c\/li\u003e\n\u003cli\u003eResists deformation under high-torque loads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCheap or inconsistent shims can lead to gear whine, premature wear, or catastrophic failure. Ratech manufactures these shims to strict tolerances, ensuring that your pinion gear is positioned exactly where it needs to be. Whether you are a professional builder or a DIY enthusiast, having a comprehensive set of shims on hand is necessary for any ring and pinion swap. These steel shims provide the stability required for high-performance applications, ensuring your setup doesn't shift under heavy acceleration or deceleration. By investing in quality shims, you are protecting your investment in expensive ring and pinion gear sets. Keep your drivetrain quiet, efficient, and durable by using the right tools for the job. Find all your essential differential adjustment components right here at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Universal Pinion Shim Kit \\u2014 Steel Differential Adjustment Shims\",\"description\":\"Achieve perfect pinion depth with the Ratech Universal Pinion Shim Kit. Durable steel construction for Dana, Ford, GM, and Mopar. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1100\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"15.49\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm\",\"sku\":\"BHLZ_1100\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Universal Pinion Shim Kit \\u2014 Steel Differential Adjustment Shims\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Universal Pinion Shim Kit \\u2014 Steel Differential Adjustment Shims fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Universal Pinion Shim Kit \\u2014 Steel Differential Adjustment Shims?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122203598932,"sku":"BHLZ_1100","price":15.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1100.jpg?v=1717387949"},{"product_id":"ratechcarrier-shims-gm-12-bolt","title":"Ratech Carrier Shims Steel Differential Kit — Fits GM 10-Bolt \u0026 12-Bolt","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/n0hIsPAWWM4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eMaster Your Backlash with Ratech Carrier Shims\u003c\/h2\u003e\u003cp\u003eProper carrier bearing preload and backlash adjustment are the cornerstones of a quiet, long-lasting differential. The \u003cstrong\u003eRatech Carrier Shim Kit\u003c\/strong\u003e is specifically designed for GM 10-bolt and 12-bolt rear ends, offering the precision needed to dial in your gear set perfectly. Made from high-quality steel, these shims provide the exact thickness required to center your ring gear and ensure optimal contact patterns.\u003c\/p\u003e\u003ch3\u003eKey Benefits for Your Differential Build\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Adjustments:\u003c\/strong\u003e Allows for fine-tuning of carrier bearing preload and ring gear backlash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Construction:\u003c\/strong\u003e Resists compression and wear under heavy load conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Fitment:\u003c\/strong\u003e Compatible with both GM 10-bolt and 12-bolt differential housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes the necessary shims to get your gear setup right the first time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are installing a new limited-slip differential or replacing worn-out bearings, having a high-quality shim kit is essential. Improper carrier alignment can lead to gear failure, increased heat, and annoying noise. By utilizing Ratech's precision-engineered shims, you eliminate the frustration of trial-and-error setups. These shims are a staple for any serious mechanic or performance enthusiast working on classic GM muscle car rear ends. When you need reliable drivetrain parts that meet or exceed OEM standards, look no further than the selection available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM 10-Bolt \u0026 12-Bolt\",\"description\":\"Achieve perfect backlash with the Ratech Carrier Shim Kit for GM 10-Bolt and 12-Bolt differentials. High-quality steel for precise fitment. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1101\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-12-bolt\",\"offers\":{\"@type\":\"Offer\",\"price\":\"18.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-12-bolt\",\"sku\":\"BHLZ_1101\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM 10-Bolt \u0026 12-Bolt\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-12-bolt\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM 10-Bolt \u0026 12-Bolt fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM 10-Bolt \u0026 12-Bolt?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122207498324,"sku":"BHLZ_1101","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1101.jpg?v=1717387981"},{"product_id":"ratechpinion-shims-8-75in-chrysler","title":"Ratech Pinion Shims Steel Differential Kit — Fits 8.75in Chrysler","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/olk9PS600_c\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eOptimize Gear Contact with Ratech Pinion Shims\u003c\/h2\u003e\u003cp\u003eThe Chrysler 8.75-inch rear end is legendary for its strength and reliability, but achieving the perfect gear contact pattern requires precision. The \u003cstrong\u003eRatech Pinion Shim Kit\u003c\/strong\u003e is designed to give you the exact adjustment range needed to set your pinion depth correctly. By utilizing these high-quality steel shims, you can ensure that your ring and pinion gears mesh perfectly, reducing noise and maximizing the lifespan of your drivetrain components.\u003c\/p\u003e\u003ch3\u003eWhy Precision Pinion Depth Matters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Gear Mesh:\u003c\/strong\u003e Ensures the pinion gear is positioned perfectly relative to the ring gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel:\u003c\/strong\u003e Manufactured for durability and consistent thickness across the entire shim.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Specific:\u003c\/strong\u003e Tailored for the unique setup requirements of the Chrysler 8.75-inch differential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Wear:\u003c\/strong\u003e Proper depth settings minimize heat and friction, protecting your investment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSetting up a rear end is a task that demands patience and the right tools. If your pinion depth is off, even by a few thousandths of an inch, it can lead to premature gear wear or catastrophic failure under high-horsepower applications. Ratech shims provide the reliability that professional builders demand, making the setup process smoother and more accurate. Whether you are restoring a classic Mopar or building a drag car, these shims are an essential part of your gear installation kit. For all your high-performance differential needs, GGCRACING is your trusted source for quality components.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shims Steel Differential Kit \\u2014 Fits 8.75in Chrysler\",\"description\":\"Fine-tune your Chrysler 8.75in differential with Ratech Pinion Shims. High-quality steel for perfect gear contact patterns. Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1102\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler\",\"offers\":{\"@type\":\"Offer\",\"price\":\"22.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler\",\"sku\":\"BHLZ_1102\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shims Steel Differential Kit \\u2014 Fits 8.75in Chrysler\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shims Steel Differential Kit \\u2014 Fits 8.75in Chrysler fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shims Steel Differential Kit \\u2014 Fits 8.75in Chrysler?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122208088148,"sku":"BHLZ_1102","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1102.jpg?v=1717387989"},{"product_id":"ratechpinion-shims-gm-1","title":"Ratech Pinion Shims Steel Differential Kit — Fits GM Applications","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/olk9PS600_c\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Depth for GM Differentials\u003c\/h2\u003e\u003cp\u003eAchieving the correct pinion depth is the most critical step in any differential gear installation. The \u003cstrong\u003eRatech Pinion Shim Kit\u003c\/strong\u003e for GM applications provides the precision-machined steel shims necessary to set your pinion gear at the exact depth required for optimal gear mesh. When your pinion depth is set correctly, you ensure maximum strength, quieter operation, and significantly longer gear life for your GM rear end.\u003c\/p\u003e\u003ch3\u003eAdvantages of Ratech Pinion Shims\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Depth Setting:\u003c\/strong\u003e Allows for precise adjustment of the pinion position within the housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Material:\u003c\/strong\u003e Engineered to hold up under the stress of high-torque and performance driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Thickness:\u003c\/strong\u003e Each shim is manufactured to strict tolerances for reliable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Rebuilds:\u003c\/strong\u003e A must-have component when installing new ring and pinion gear sets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are working on a street-driven vehicle or a dedicated track car, the setup of your differential gears determines how well your car puts power to the ground. Improper pinion depth is the leading cause of gear whine and premature failure. By using Ratech's high-quality shim kits, you can achieve a perfect contact pattern that stands up to the rigors of high-performance use. Don't settle for inferior parts when rebuilding your GM rear end; choose the components that professional builders trust. Find everything you need for your next drivetrain project at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shims Steel Differential Kit \\u2014 Fits GM Applications\",\"description\":\"Get the perfect gear contact pattern with Ratech Pinion Shims for GM. Durable steel for precise pinion depth adjustments. Order today at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1104\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"15.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm-1\",\"sku\":\"BHLZ_1104\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shims Steel Differential Kit \\u2014 Fits GM Applications\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-gm-1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shims Steel Differential Kit \\u2014 Fits GM Applications fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shims Steel Differential Kit \\u2014 Fits GM Applications?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122208940116,"sku":"BHLZ_1104","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1104.jpg?v=1717387998"},{"product_id":"ratechcarrier-shims-gm-ford","title":"Ratech Carrier Shims Steel Differential Kit — Fits GM \u0026 Ford","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/n0hIsPAWWM4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eProfessional-Grade Carrier Shims for GM and Ford\u003c\/h2\u003e\u003cp\u003eWhether you are servicing a Ford 9-inch or a GM 10-bolt, carrier bearing preload and backlash are vital for a smooth-running differential. The \u003cstrong\u003eRatech Carrier Shim Kit\u003c\/strong\u003e is designed to provide the versatile adjustment range required for both GM and Ford applications. These high-quality steel shims allow you to precisely position your carrier, ensuring that your ring gear backlash is set within the manufacturer's recommended specifications.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech for Your Differential Build?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Designed to work with a wide range of popular GM and Ford differential housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e High-quality steel construction ensures consistent thickness and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklash Control:\u003c\/strong\u003e Essential for achieving the correct gear contact pattern and preventing noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to Use:\u003c\/strong\u003e Simplifies the complex process of carrier bearing adjustment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA properly shimmed carrier is the difference between a differential that lasts for years and one that fails after a few hundred miles. When you are installing a new limited-slip differential or replacing carrier bearings, you need shims that you can trust to maintain their thickness under load. Ratech has built a reputation for providing the highest quality drivetrain components, and this carrier shim kit is no exception. It is an essential addition to any mechanic's toolbox, providing the flexibility to handle multiple vehicle makes with ease. For top-tier performance parts and expert advice on your next drivetrain build, visit GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM \u0026 Ford\",\"description\":\"Dial in your differential with the Ratech Carrier Shim Kit for GM and Ford. High-quality steel for precise backlash. Shop the best at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1105\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-ford\",\"offers\":{\"@type\":\"Offer\",\"price\":\"29.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-ford\",\"sku\":\"BHLZ_1105\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM \u0026 Ford\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-gm-ford\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM \u0026 Ford fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Carrier Shims Steel Differential Kit \\u2014 Fits GM \u0026 Ford?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122209562708,"sku":"BHLZ_1105","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1105.jpg?v=1717388006"},{"product_id":"ratechcarrier-shims-dana-60","title":"Ratech Carrier Shims Steel Differential Shim Kit — Fits Dana 60, 70, 70-HD, 70-U Rear Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Differential Setup with Ratech Carrier Shims\u003c\/h2\u003e\u003cp\u003eAchieving the correct backlash and carrier bearing preload is critical for the longevity of your drivetrain. Ratech Carrier Shims for Dana 60 and Dana 70 series axles provide the precision adjustment needed to ensure your ring and pinion gears mesh perfectly. Engineered for durability, these steel shims are designed to withstand the high-torque environments of off-road and performance street applications.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech Shim Kits?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Fitment:\u003c\/strong\u003e Specifically engineered for Dana 60, 70, 70-HD, and 70-U differentials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel:\u003c\/strong\u003e Constructed from premium materials to maintain structural integrity under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Adjustments:\u003c\/strong\u003e Allows for fine-tuning of carrier position to eliminate gear noise and premature wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes the necessary shims for a professional-grade installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a routine gear swap or a complete differential rebuild, using high-quality shims is the best way to prevent catastrophic failure. These shims offer the consistency required by professional builders to ensure your rear end operates smoothly and quietly. Don't settle for inferior components when setting up your drivetrain; trust the precision of Ratech. Find all your essential drivetrain components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70, 70-HD, 70-U Rear Ends\",\"description\":\"Achieve perfect backlash with Ratech Carrier Shims for Dana 60 and 70 axles. High-quality steel construction for precise differential setup. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1106\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-60\",\"offers\":{\"@type\":\"Offer\",\"price\":\"13.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-60\",\"sku\":\"BHLZ_1106\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70, 70-HD, 70-U Rear Ends\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-60\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70, 70-HD, 70-U fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70, 70-HD, 70-U?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122210349140,"sku":"BHLZ_1106","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1106.jpg?v=1717388014"},{"product_id":"ratechpinion-shims-8-75in-chrysler-1","title":"Ratech Pinion Shims Steel Differential Shim Kit — Fits Mopar 8.75in Rear End","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eOptimize Pinion Depth with Ratech Mopar 8.75 Shims\u003c\/h2\u003e\u003cp\u003eProper pinion depth is the foundation of a quiet and reliable gear set. Ratech Pinion Shims for the legendary Mopar 8.75-inch rear end are designed to provide the exact spacing required for perfect tooth contact patterns. When upgrading or rebuilding your Mopar differential, these shims allow you to dial in your pinion depth with surgical accuracy, preventing gear whine and extending the life of your ring and pinion.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for Mopar:\u003c\/strong\u003e Specifically designed for the 8.75-inch Chrysler rear end housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Construction:\u003c\/strong\u003e Resists deformation under extreme heat and pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Thickness:\u003c\/strong\u003e Allows for fine-tuning to achieve the ideal contact pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Reduces the risk of gear failure and drivetrain vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSetting up a Mopar 8.75 rear end requires attention to detail. By using Ratech’s high-quality shim kits, you ensure that your pinion gear is positioned exactly where it needs to be for maximum power transfer and longevity. Whether you are building a street machine or a strip car, these shims are an essential part of your differential rebuild kit. Enhance your vehicle's performance and reliability with high-quality parts from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Mopar 8.75in Rear End\",\"description\":\"Ensure optimal pinion depth with Ratech Pinion Shims for Mopar 8.75 inch axles. Durable steel construction for precise gear setup. Order yours today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1107\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"11.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler-1\",\"sku\":\"BHLZ_1107\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Mopar 8.75in Rear End\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-8-75in-chrysler-1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Mopar 8.75in Rear End fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Mopar 8.75in Rear End?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122210775124,"sku":"BHLZ_1107","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1107.jpg?v=1717388022"},{"product_id":"ratechpinion-shims-mopar-8-75","title":"Ratech Pinion Shims 742 Case Steel Shim Kit — Fits Mopar 8.75in Rear End","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Shims for Mopar 8.75 742 Cases\u003c\/h2\u003e\u003cp\u003eThe Mopar 8.75-inch rear end is a classic choice for high-performance builds, and the 742 case is a popular foundation for many enthusiasts. Ratech Pinion Shims are specifically engineered to provide the precise depth adjustments necessary for the 742 case, ensuring your ring and pinion gears mesh with factory-level accuracy. These steel shims are essential for anyone looking to eliminate gear noise and maximize the durability of their rear end.\u003c\/p\u003e\u003ch3\u003eWhy Use Ratech 742 Case Shims?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Fitment:\u003c\/strong\u003e Designed specifically for the Mopar 8.75-inch 742 case architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel:\u003c\/strong\u003e Built to withstand the rigors of high-horsepower applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Contact Pattern:\u003c\/strong\u003e Facilitates the ideal gear mesh for quiet and efficient operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Installation:\u003c\/strong\u003e Simplifies the complex process of setting pinion depth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAchieving the correct pinion depth is arguably the most important step in a differential rebuild. If the pinion is too deep or too shallow, you risk premature gear wear and catastrophic failure. Ratech provides the high-quality shims needed to get the job done right the first time. Whether you are restoring a classic Mopar or building a dedicated drag racer, these shims are the professional's choice for a reliable setup. Discover premium drivetrain solutions and expert advice at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shims 742 Case Steel Shim Kit \\u2014 Fits Mopar 8.75in Rear End\",\"description\":\"Get the perfect pinion depth for your Mopar 8.75 742 case with Ratech Pinion Shims. Durable, precise, and built for performance. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1108\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-mopar-8-75\",\"offers\":{\"@type\":\"Offer\",\"price\":\"16.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-mopar-8-75\",\"sku\":\"BHLZ_1108\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shims 742 Case Steel Shim Kit \\u2014 Fits Mopar 8.75in Rear End\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-mopar-8-75\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shims 742 Case Steel Shim Kit \\u2014 Fits Mopar 8.75in Rear End fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shims 742 Case Steel Shim Kit \\u2014 Fits Mopar 8.75in Rear End?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122211463252,"sku":"BHLZ_1108","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1108.jpg?v=1717388030"},{"product_id":"ratechpinion-shims-dana-60","title":"Ratech Pinion Shims Steel Differential Shim Kit — Fits Dana 60, 70-U Rear Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eProfessional Pinion Depth Adjustment for Dana 60 and 70-U\u003c\/h2\u003e\u003cp\u003eWhen you are working on a heavy-duty Dana 60 or 70-U differential, precision is non-negotiable. Ratech Pinion Shims provide the exact thickness required to set your pinion depth correctly, ensuring optimal contact between the ring and pinion gears. These shims are crafted from high-grade steel, offering the durability needed to maintain your gear settings under the heavy loads associated with trucks and high-performance vehicles.\u003c\/p\u003e\u003ch3\u003eBenefits of Ratech Pinion Shim Kits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Fits Dana 60 and 70-U series differentials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Steel:\u003c\/strong\u003e Engineered for stability and long-term performance under stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Tolerances:\u003c\/strong\u003e Allows for micro-adjustments to achieve the perfect gear mesh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Rebuilds:\u003c\/strong\u003e A must-have for any gear swap or differential service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA properly set pinion depth is the key to a quiet, cool-running, and long-lasting differential. If you are upgrading your axle or replacing worn-out gears, do not rely on old or mismatched shims. Ratech’s shim kits provide the consistency you need to ensure your Dana axle performs at its best. Whether you are towing, off-roading, or racing, these shims help protect your investment by keeping your gear set in perfect alignment. Trust GGCRACING for all your differential setup and drivetrain needs.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70-U Rear Ends\",\"description\":\"Set your pinion depth correctly with Ratech Pinion Shims for Dana 60 and 70-U axles. High-quality steel for long-lasting performance. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1110\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-dana-60\",\"offers\":{\"@type\":\"Offer\",\"price\":\"14.49\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-dana-60\",\"sku\":\"BHLZ_1110\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70-U Rear Ends\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-dana-60\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70-U Rear Ends fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shims Steel Differential Shim Kit \\u2014 Fits Dana 60, 70-U Rear Ends?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122212085844,"sku":"BHLZ_1110","price":14.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1110.jpg?v=1717388038"},{"product_id":"ratechdiff-shims-dana-50","title":"Ratech Differential Shims Steel Shim Kit — Fits Dana 36, 44, 50 Axles","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/n0hIsPAWWM4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eVersatile Differential Shims for Dana 36, 44, and 50\u003c\/h2\u003e\u003cp\u003eWhether you are servicing a Dana 36, 44, or 50 axle, having the right shims is essential for a successful differential rebuild. Ratech Differential Shims are designed to provide the precise spacing needed for carrier and pinion adjustments, ensuring your drivetrain operates smoothly and efficiently. Made from high-quality steel, these shims are built to handle the demands of various driving conditions, from daily commuting to aggressive off-road use.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech Shim Kits?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Axle Compatibility:\u003c\/strong\u003e Designed to fit Dana 36, 44, and 50 housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Material:\u003c\/strong\u003e Durable steel construction prevents crushing and ensures consistent thickness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Allows for accurate adjustments to backlash and bearing preload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Helps eliminate gear noise and prevents premature component failure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Dana 44 is one of the most popular axles in the off-road world, and the Dana 36 and 50 are equally important in their respective applications. Regardless of which you are working on, Ratech provides the high-quality shims required to get the job done right. Proper setup is the difference between a reliable vehicle and one that leaves you stranded. Ensure your gear set is perfectly aligned and ready for the road or trail with these professional-grade shims. Find everything you need for your next differential project at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Differential Shims Steel Shim Kit \\u2014 Fits Dana 36, 44, 50 Axles\",\"description\":\"Need precise differential shims? Ratech kits for Dana 36, 44, and 50 axles ensure perfect alignment and durability. Shop the full range at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1114\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-50\",\"offers\":{\"@type\":\"Offer\",\"price\":\"18.74\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-50\",\"sku\":\"BHLZ_1114\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Differential Shims Steel Shim Kit \\u2014 Fits Dana 36, 44, 50 Axles\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-50\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Differential Shims Steel Shim Kit \\u2014 Fits Dana 36, 44, 50 Axles fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Differential Shims Steel Shim Kit \\u2014 Fits Dana 36, 44, 50 Axles?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122213134420,"sku":"BHLZ_1114","price":18.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1114.jpg?v=1717388047"},{"product_id":"ratechcarrier-shims-dana-44","title":"Ratech Carrier Shims Steel Differential Shim Kit — Fits Dana 44 Axles","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Carrier Shim Kit for Dana 44\u003c\/h2\u003e\u003cp\u003eWhen rebuilding or upgrading your Dana 44 differential, achieving the correct carrier bearing preload and backlash is critical for longevity and performance. The \u003cstrong\u003eRatech Carrier Shim Kit\u003c\/strong\u003e provides the precision-engineered steel shims required to set up your ring and pinion gears accurately. Designed to withstand the high-torque demands of off-road and street performance, these shims ensure your differential operates smoothly without excessive gear noise or premature wear.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech Shims?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Steel Construction:\u003c\/strong\u003e Built for maximum durability and resistance to deformation under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Engineered specifically for Dana 44 housings to ensure exact tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes the necessary components to dial in your carrier position effectively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Prevents gear misalignment, reducing the risk of catastrophic failure during heavy acceleration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a routine gear swap or a complete differential rebuild, using quality shims is the foundation of a quiet, long-lasting drivetrain. Avoid the frustration of improper gear mesh by using components designed for professional-grade results. Trust your build to the experts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 44 Axles\",\"description\":\"Achieve perfect backlash and carrier bearing preload with Ratech Dana 44 carrier shims. Precision-engineered for durability. Shop the best parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1115\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-44\",\"offers\":{\"@type\":\"Offer\",\"price\":\"11.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-44\",\"sku\":\"BHLZ_1115\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 44 Axles\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechcarrier-shims-dana-44\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 44 Axles fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Dana 44 Axles?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122213986388,"sku":"BHLZ_1115","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1115.jpg?v=1717388055"},{"product_id":"ratechdiff-shims-dana-60","title":"Ratech Differential Shims Steel Shim — Fits Dana 60 70 70-HD 70-U","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/n0hIsPAWWM4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHeavy-Duty Differential Shims for Dana 60\/70 Series\u003c\/h2\u003e\u003cp\u003eFor heavy-duty applications, the \u003cstrong\u003eRatech Differential Shim\u003c\/strong\u003e is the gold standard for setting up Dana 60, 70, 70-HD, and 70-U axles. These high-strength steel shims are essential for mechanics and enthusiasts looking to achieve precise carrier bearing preload and optimal ring and pinion gear contact patterns. When dealing with the massive torque loads common in heavy-duty trucks and high-performance vehicles, you cannot afford to compromise on your differential setup.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Designed for a wide range of Dana 60 and 70 series axle housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Material:\u003c\/strong\u003e Engineered to hold up under extreme pressure and heat cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Tolerances:\u003c\/strong\u003e Allows for micro-adjustments to ensure the perfect gear mesh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Grade:\u003c\/strong\u003e The preferred choice for builders requiring consistent, reliable results.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper gear setup is the difference between a smooth, quiet ride and a noisy, failing differential. By using Ratech’s precision-machined shims, you eliminate the guesswork associated with gear installation. These shims provide the stability needed for heavy towing, off-roading, or high-horsepower street use. Ensure your drivetrain is built to last with high-quality components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Differential Shims Steel Shim \\u2014 Fits Dana 60 70 70-HD 70-U\",\"description\":\"Upgrade your Dana 60 or 70 series differential with premium Ratech steel shims. Ensure perfect gear alignment and durability. Buy now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1118\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-60\",\"offers\":{\"@type\":\"Offer\",\"price\":\"12.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-60\",\"sku\":\"BHLZ_1118\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Differential Shims Steel Shim \\u2014 Fits Dana 60 70 70-HD 70-U\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechdiff-shims-dana-60\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Differential Shims Steel Shim \\u2014 Fits Dana 60 70 70-HD 70-U fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Differential Shims Steel Shim \\u2014 Fits Dana 60 70 70-HD 70-U?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122214772820,"sku":"BHLZ_1118","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1118.jpg?v=1717388065"},{"product_id":"ratechford-8-8-carrier-shims","title":"Ratech Carrier Shims Steel Differential Shim Kit — Fits Ford 8.8 Inch","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eFord 8.8 Differential Carrier Shim Kit\u003c\/h2\u003e\u003cp\u003eThe Ford 8.8-inch rear end is a legendary platform for performance, but it requires precise setup to handle increased power. The \u003cstrong\u003eRatech Ford 8.8 Carrier Shim Kit\u003c\/strong\u003e is engineered to provide the exact adjustments needed for carrier bearing preload and ring gear backlash. Whether you are installing a new limited-slip differential, a locker, or simply refreshing your gears, these steel shims are an essential component for a successful build.\u003c\/p\u003e\u003ch3\u003eWhy Choose Ratech for Your Ford 8.8?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Gear Mesh:\u003c\/strong\u003e Ensures quiet operation and prevents gear whine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel:\u003c\/strong\u003e Resists compression and wear, maintaining your setup over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Designed to fit the Ford 8.8 housing perfectly for a hassle-free installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Rebuilds:\u003c\/strong\u003e A must-have for any ring and pinion gear swap or differential upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let improper shimming ruin your new gear set. The Ford 8.8 is known for its versatility, but it is sensitive to bearing preload settings. By utilizing Ratech’s high-quality shims, you ensure that your differential can handle the stress of drag racing, street driving, or off-road abuse without failing. Invest in the right parts to keep your vehicle performing at its peak. Find all your essential differential components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Ford 8.8 Inch\",\"description\":\"Dial in your Ford 8.8 differential with Ratech carrier shims. High-quality steel for precise gear setup and long-term reliability. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1126\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechford-8-8-carrier-shims\",\"offers\":{\"@type\":\"Offer\",\"price\":\"20.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechford-8-8-carrier-shims\",\"sku\":\"BHLZ_1126\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Ford 8.8 Inch\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechford-8-8-carrier-shims\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Ford 8.8 Inch fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Carrier Shims Steel Differential Shim Kit \\u2014 Fits Ford 8.8 Inch?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122215624788,"sku":"BHLZ_1126","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1126.jpg?v=1717388073"},{"product_id":"ratechpinion-shim-pack-dana","title":"Ratech Pinion Shim Pack Steel Kit — Fits Dana 44 Axle","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/olk9PS600_c\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAchieve Perfect Pinion Depth with Ratech\u003c\/h2\u003e\u003cp\u003ePinion depth is the most critical measurement in a differential rebuild. If your pinion is too deep or too shallow, your gear mesh will be incorrect, leading to noise and eventual failure. This Ratech pinion shim pack for the Dana 44 axle provides the precise increments needed to dial in your pinion depth perfectly. These steel shims are designed for durability and accuracy, ensuring your gear setup meets factory standards.\u003c\/p\u003e\u003ch3\u003eWhy Pinion Depth Matters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear Longevity:\u003c\/strong\u003e Correct depth ensures even wear across the gear teeth, preventing chipping and heat buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Proper alignment eliminates gear whine, resulting in a quieter and smoother ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel:\u003c\/strong\u003e Resists compression, ensuring your pinion depth remains consistent over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Pack:\u003c\/strong\u003e Includes various shim thicknesses to allow for precise adjustments during the setup process.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen you are setting up a new ring and pinion, having the right shim pack is essential. These Ratech shims are the industry standard for Dana 44 rebuilds, offering the reliability and precision that professional builders demand. Don't leave your gear setup to chance; use the best components available. For all your differential setup tools and parts, explore the collection at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shim Pack Steel Kit \\u2014 Fits Dana 44 Axle\",\"description\":\"Achieve perfect pinion depth with the Ratech pinion shim pack for Dana 44 axles. Durable steel for accurate alignment. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"1134\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-dana\",\"offers\":{\"@type\":\"Offer\",\"price\":\"13.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-dana\",\"sku\":\"BHLZ_1134\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shim Pack Steel Kit \\u2014 Fits Dana 44 Axle\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-dana\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shim Pack Steel Kit \\u2014 Fits Dana 44 Axle fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shim Pack Steel Kit \\u2014 Fits Dana 44 Axle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122216476756,"sku":"BHLZ_1134","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT1134.jpg?v=1717388081"},{"product_id":"ratechpinion-shims-ford-9in","title":"Ratech Pinion Shim Kit Ford 9-Inch Differential — Fits Ford 9-Inch Rear Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/w2kneEjXw6E\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Depth for Ford 9-Inch Rear Ends\u003c\/h2\u003e\u003cp\u003eAchieving the correct pinion depth is the most critical step in a successful ring and pinion gear installation. The Ratech Pinion Shim Kit for the Ford 9-inch rear end provides the precision-engineered steel shims required to dial in your gear pattern perfectly. Without the correct shim thickness, your gears will experience accelerated wear, increased noise, and potential failure. This kit gives you the flexibility to adjust your setup with professional accuracy.\u003c\/p\u003e\u003ch3\u003eFeatures of the Ratech Shim Kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Quality Steel:\u003c\/strong\u003e Durable shims that won't compress or deform under high-pressure loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Specifications:\u003c\/strong\u003e Designed specifically for the Ford 9-inch differential housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEssential for Gear Setup:\u003c\/strong\u003e Allows for fine-tuning of pinion depth to achieve the ideal contact pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Performance:\u003c\/strong\u003e Ensures smooth gear engagement and long-term durability for your drivetrain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are a professional mechanic or a DIY enthusiast, having the right shims on hand is vital for a smooth install. This kit eliminates the frustration of trying to reuse old shims or guessing at the required thickness. By using these high-quality steel shims, you ensure that your Ford 9-inch rear end operates as quietly and efficiently as possible. Proper gear mesh is the foundation of a high-performance drivetrain, and this kit is the key to achieving it. Trust your differential setup to the precision of Ratech and find all your essential installation components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shim Kit Ford 9-Inch Differential \\u2014 Fits Ford 9-Inch Rear Ends\",\"description\":\"Achieve the perfect pinion depth with the Ratech Ford 9-Inch Pinion Shim Kit. Essential for precise gear setup. Shop now for fast shipping at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"2100\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-ford-9in\",\"offers\":{\"@type\":\"Offer\",\"price\":\"16.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-ford-9in\",\"sku\":\"BHLZ_2100\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shim Kit Ford 9-Inch Differential \\u2014 Fits Ford 9-Inch Rear Ends\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shims-ford-9in\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shim Kit Ford 9-Inch Differential \\u2014 Fits Ford 9-Inch Rear Ends fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shim Kit Ford 9-Inch Differential \\u2014 Fits Ford 9-Inch Rear Ends?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122232696916,"sku":"BHLZ_2100","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT2100.jpg?v=1717388247"},{"product_id":"ratechpinion-shim-pack-8in-ford","title":"Ratech Pinion Shim Pack Ford 8-Inch Differential — Fits Ford 8-Inch Rear Ends","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ratech\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eRatech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ratech lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/olk9PS600_c\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eMaster Your Gear Setup with Ratech Pinion Shims\u003c\/h2\u003e\u003cp\u003eWhen rebuilding a Ford 8-inch differential, precision is everything. The Ratech Pinion Shim Pack is designed to provide the exact adjustments needed to set your pinion depth correctly. A proper gear pattern is essential for preventing gear whine and ensuring that your rear end can handle the torque of your engine. This pack of high-quality steel shims allows for the fine-tuning necessary to achieve a perfect contact patch between your ring and pinion gears.\u003c\/p\u003e\u003ch3\u003eWhy Use Ratech Shim Packs?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to strict tolerances for accurate pinion depth adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Material:\u003c\/strong\u003e Resists compression and maintains thickness under extreme operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFord 8-Inch Specific:\u003c\/strong\u003e Tailored for the unique requirements of the Ford 8-inch differential housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Installation:\u003c\/strong\u003e Provides the necessary variety of thicknesses to get your gear mesh right the first time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let an incorrect gear setup ruin your new ring and pinion set. Using the right shims is a small investment that pays off in the form of a quiet, long-lasting, and high-performing differential. This Ratech shim pack is a must-have for anyone performing a gear swap or a full differential overhaul on a Ford 8-inch rear end. By ensuring your pinion is positioned perfectly, you maximize the efficiency of your drivetrain and protect your investment. For all your differential setup needs, rely on the quality and precision of products available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ratech products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-o-ring-ford-9in\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion O-Ring Rubber — Fits Ford 9in Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechinstall-kit-8-2in-gm\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Differential Install Kit 8.2in GM 10-Bolt — Fits GM Rear End\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechchrysler-8-75in-bearing-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Complete Bearing Kit 8.75in Mopar 489 Casting — Fits Chrysler\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-7-5-7-625-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 7.5\/7.625in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ratechpinion-setting-tool-gm-10bt-8-5-r-p\" style=\"color:#0066cc;text-decoration:none;\"\u003eRatech Pinion Depth Setting Tool 8.5in GM 10-Bolt — Fits GM\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ratech Pinion Shim Pack Ford 8-Inch Differential \\u2014 Fits Ford 8-Inch Rear Ends\",\"description\":\"Fine-tune your gear setup with the Ratech Ford 8-Inch Pinion Shim Pack. Durable steel shims for perfect pinion depth. Buy today at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ratech\"},\"mpn\":\"2102\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-8in-ford\",\"offers\":{\"@type\":\"Offer\",\"price\":\"19.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-8in-ford\",\"sku\":\"BHLZ_2102\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ratech\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ratech\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ratech Pinion Shim Pack Ford 8-Inch Differential \\u2014 Fits Ford 8-Inch Rear Ends\",\"item\":\"https:\/\/ggcracing.com\/products\/ratechpinion-shim-pack-8in-ford\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ratech Pinion Shim Pack Ford 8-Inch Differential \\u2014 Fits Ford 8-Inch Rear Ends fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ratech?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ratech Pinion Shim Pack Ford 8-Inch Differential \\u2014 Fits Ford 8-Inch Rear Ends?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Ratech","offers":[{"title":"Default Title","offer_id":41122233286740,"sku":"BHLZ_2102","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/RAT2102.jpg?v=1717388255"},{"product_id":"strange-engineering-pinion-adapter-sleeve-for-n1923-ford-9in","title":"Strange Engineering Pinion Adapter Sleeve 1.880in OD — Ford 9in Rear End","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Strange Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eStrange Engineering engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Strange Engineering lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Drivetrain Components\u003c\/h2\u003e\u003cp\u003eEnsure your Ford 9-inch rear end operates at peak efficiency with the Strange Engineering Pinion Adapter Sleeve. Designed for high-stress racing environments, this adapter sleeve is the critical link between your standard pinion and large rear bearings. Crafted from high-strength steel and finished with a durable black oxide coating, it provides the structural integrity required for high-horsepower applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOuter Diameter: 1.880 inches\u003c\/li\u003e\n\u003cli\u003eInner Diameter: 1.300 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Strength Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003eCompatibility: Ford 9-inch rear end differentials\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are building a dedicated drag car or a high-performance street machine, maintaining precise tolerances in your differential is non-negotiable. This adapter sleeve eliminates play and ensures consistent pinion alignment under heavy acceleration. By choosing Strange Engineering components, you are investing in decades of racing heritage and engineering excellence. For all your drivetrain needs, trust the experts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Strange Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineeringadjustable-front-strut-87-93-mustang-v8\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Adjustable Front Strut — Fits 1973-1993 Ford Mustang V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-5-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 5-Bolt Articulating\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-axle-31-spline-30-5in-1-115in-od\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering 31-Spline Axle Shaft 30.5in 1.115in OD — Performance Racing Rear-End C\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-alum-drive-flange-wide-5-5-bolt-w-steel-spl-insrt\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Wide 5 Drive Flange 5-Bolt 24-Spline — Aluminum Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-8-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 8-Bolt — Articulating Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Strange Engineering Pinion Adapter Sleeve 1.880in OD \\u2014 Ford 9in Rear End\",\"description\":\"Upgrade your drivetrain with the Strange Engineering Pinion Adapter Sleeve. Precision-engineered for Ford 9in rear ends. Shop high-performance parts now.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Strange Engineering\"},\"mpn\":\"N1926A\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-pinion-adapter-sleeve-for-n1923-ford-9in\",\"offers\":{\"@type\":\"Offer\",\"price\":\"13.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-pinion-adapter-sleeve-for-n1923-ford-9in\",\"sku\":\"BJHW_N1926A\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Strange Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Strange+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Strange Engineering Pinion Adapter Sleeve 1.880in OD \\u2014 Ford 9in Rear End\",\"item\":\"https:\/\/ggcracing.com\/products\/strange-engineering-pinion-adapter-sleeve-for-n1923-ford-9in\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Strange Engineering Pinion Adapter Sleeve 1.880in OD \\u2014 Ford 9in Rear End fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Strange Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Strange Engineering Pinion Adapter Sleeve 1.880in OD \\u2014 Ford 9in Rear End?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Strange Engineering","offers":[{"title":"Default Title","offer_id":41435661467732,"sku":"BJHW_N1926A","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/STGN1926A.jpg?v=1721446879"},{"product_id":"strange-engineering-preload-spacer-w-shims-2pc","title":"Strange Engineering 9in Preload Spacer w\/Shims — 2pc Kit","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Strange Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eStrange Engineering engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Strange Engineering lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Preload Spacer and Shim Kit\u003c\/h2\u003e\u003cp\u003eAchieving the correct pinion bearing preload is one of the most critical steps in setting up a Ford 9-inch differential. The Strange Engineering Preload Spacer with Shims provides the adjustability and structural support needed to ensure your pinion bearings are set to exact factory or racing specifications. This two-piece kit is designed to eliminate the guesswork, allowing for precise adjustments that prevent bearing failure and gear noise.\u003c\/p\u003e\u003ch3\u003eKit Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponents:\u003c\/strong\u003e Includes high-strength steel spacer and a set of precision shims\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Ford 9-inch differential housings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Allows for accurate pinion bearing preload adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable steel construction for consistent performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Use:\u003c\/strong\u003e Simplifies the setup process for professional and DIY builders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper preload is essential to prevent excessive play in the pinion shaft, which can lead to gear deflection and eventual damage to the ring and pinion teeth. This kit allows you to fine-tune the fitment, ensuring the bearings are held securely in place under all operating conditions. Whether you are building a high-horsepower drag car or a reliable street machine, this spacer and shim kit is an indispensable part of your differential build. For high-quality drivetrain components and expert advice, look no further than GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Strange Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineeringadjustable-front-strut-87-93-mustang-v8\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Adjustable Front Strut — Fits 1973-1993 Ford Mustang V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-5-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 5-Bolt Articulating\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-axle-31-spline-30-5in-1-115in-od\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering 31-Spline Axle Shaft 30.5in 1.115in OD — Performance Racing Rear-End C\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-alum-drive-flange-wide-5-5-bolt-w-steel-spl-insrt\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Wide 5 Drive Flange 5-Bolt 24-Spline — Aluminum Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-8-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 8-Bolt — Articulating Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Strange Engineering 9in Preload Spacer w\/Shims \\u2014 2pc Kit\",\"description\":\"Achieve perfect pinion bearing preload with the Strange Engineering 9-inch Spacer and Shim kit. Essential for Ford 9-inch setups. Buy now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Strange Engineering\"},\"mpn\":\"N1925\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-preload-spacer-w-shims-2pc\",\"offers\":{\"@type\":\"Offer\",\"price\":\"20.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-preload-spacer-w-shims-2pc\",\"sku\":\"BJHW_N1925\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Strange Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Strange+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Strange Engineering 9in Preload Spacer w\/Shims \\u2014 2pc Kit\",\"item\":\"https:\/\/ggcracing.com\/products\/strange-engineering-preload-spacer-w-shims-2pc\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Strange Engineering 9in Preload Spacer w\/Shims \\u2014 2pc Kit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Strange Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Strange Engineering 9in Preload Spacer w\/Shims \\u2014 2pc Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Strange Engineering","offers":[{"title":"Default Title","offer_id":41435666743380,"sku":"BJHW_N1925","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/STGN1925.jpg?v=1721447080"},{"product_id":"strange-engineering-shim-kit-ultra-case-pinion-depth","title":"Strange Engineering Ultra Case Pinion Shim Kit — 6.480in OD","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Strange Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eStrange Engineering engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Strange Engineering lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Depth Adjustment\u003c\/h2\u003e\u003cp\u003eAchieving the perfect gear contact pattern is the most critical step in any differential build. The Strange Engineering Shim Kit is specifically designed for use with Strange Billet and Ultra Cases, providing the exact adjustments needed to set your pinion depth correctly. With a variety of thicknesses included, you can fine-tune your gear mesh to minimize noise and maximize the lifespan of your ring and pinion set.\u003c\/p\u003e\u003ch3\u003eWhat is Included in the Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo 0.003 in shims\u003c\/li\u003e\n\u003cli\u003eTwo 0.007 in shims\u003c\/li\u003e\n\u003cli\u003eTwo 0.008 in shims\u003c\/li\u003e\n\u003cli\u003eTwo 0.010 in shims\u003c\/li\u003e\n\u003cli\u003eDimensions: 6.480 in OD \/ 5.075 in ID\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese high-quality shims are manufactured to strict tolerances, ensuring consistent thickness across the entire diameter. This consistency is vital for maintaining an even load distribution on the gear teeth. Whether you are a professional engine builder or a DIY enthusiast, having the right shim kit on hand makes the difference between a noisy, failing differential and one that runs smooth and quiet for years. Optimize your gear setup with precision components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Strange Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineeringadjustable-front-strut-87-93-mustang-v8\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Adjustable Front Strut — Fits 1973-1993 Ford Mustang V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-5-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 5-Bolt Articulating\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-axle-31-spline-30-5in-1-115in-od\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering 31-Spline Axle Shaft 30.5in 1.115in OD — Performance Racing Rear-End C\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-alum-drive-flange-wide-5-5-bolt-w-steel-spl-insrt\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Wide 5 Drive Flange 5-Bolt 24-Spline — Aluminum Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-8-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 8-Bolt — Articulating Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Strange Engineering Ultra Case Pinion Shim Kit \\u2014 6.480in OD\",\"description\":\"Achieve perfect pinion depth with the Strange Engineering Ultra Case Shim Kit. Precision shims for Billet and Ultra cases. Buy now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Strange Engineering\"},\"mpn\":\"N1962UC\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-shim-kit-ultra-case-pinion-depth\",\"offers\":{\"@type\":\"Offer\",\"price\":\"46.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-shim-kit-ultra-case-pinion-depth\",\"sku\":\"BJHW_N1962UC\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Strange Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Strange+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Strange Engineering Ultra Case Pinion Shim Kit \\u2014 6.480in OD\",\"item\":\"https:\/\/ggcracing.com\/products\/strange-engineering-shim-kit-ultra-case-pinion-depth\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Strange Engineering Ultra Case Pinion Shim Kit \\u2014 6.480in OD fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Strange Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Strange Engineering Ultra Case Pinion Shim Kit \\u2014 6.480in OD?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Strange Engineering","offers":[{"title":"Default Title","offer_id":41435669168212,"sku":"BJHW_N1962UC","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/STGN1962UC.jpg?v=1721447155"},{"product_id":"strange-engineering-250-alum-spacer-kit-ultra-case-w-10in-r-p","title":"Strange Engineering Ultra Case .250 Aluminum Spacer Kit — Fits Ford 9in","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Strange Engineering\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eStrange Engineering engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Strange Engineering lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Oblu0hMWXvA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Pinion Spacing for Ford 9-Inch Rear Ends\u003c\/h2\u003e\u003cp\u003eAchieve exact pinion depth with the Strange Engineering .250-inch Aluminum Spacer Kit. Designed specifically for high-performance Ultra Case applications, this kit ensures your 10-inch ring and pinion setup operates with maximum efficiency and reliability. Whether you are building a dedicated drag car or a high-torque street machine, precision is the key to longevity.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e .250 inches for precise pinion depth adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for Strange Engineering Ultra Case housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade aluminum construction for lightweight durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Complete hardware kit for a seamless installation process.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper pinion depth is critical to preventing gear whine and premature wear in your drivetrain. By utilizing this dedicated spacer kit, you eliminate the guesswork associated with generic shim packs, providing a solid foundation for your rear-end assembly. The high-quality aluminum construction resists deformation under extreme load, ensuring your gear mesh remains consistent pass after pass. Trust the experts at GGCRACING to provide the specialized components you need for your next drivetrain upgrade.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Strange Engineering products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineeringadjustable-front-strut-87-93-mustang-v8\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Adjustable Front Strut — Fits 1973-1993 Ford Mustang V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-5-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 5-Bolt Articulating\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-axle-31-spline-30-5in-1-115in-od\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering 31-Spline Axle Shaft 30.5in 1.115in OD — Performance Racing Rear-End C\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-alum-drive-flange-wide-5-5-bolt-w-steel-spl-insrt\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Wide 5 Drive Flange 5-Bolt 24-Spline — Aluminum Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/strange-engineering-steel-drive-flange-wide-5-8-bolt-articulating\" style=\"color:#0066cc;text-decoration:none;\"\u003eStrange Engineering Steel Drive Flange Wide 5 8-Bolt — Articulating Racing Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Strange Engineering Ultra Case .250 Aluminum Spacer Kit \\u2014 Fits Ford 9in\",\"description\":\"Upgrade your Ford 9-inch rear end with the Strange Engineering .250-inch aluminum spacer kit. Precision-engineered for Ultra Case setups. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Strange Engineering\"},\"mpn\":\"N1950HK\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-250-alum-spacer-kit-ultra-case-w-10in-r-p\",\"offers\":{\"@type\":\"Offer\",\"price\":\"66.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/strange-engineering-250-alum-spacer-kit-ultra-case-w-10in-r-p\",\"sku\":\"BJHW_N1950HK\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Strange Engineering\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Strange+Engineering\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Strange Engineering Ultra Case .250 Aluminum Spacer Kit \\u2014 Fits Ford 9in\",\"item\":\"https:\/\/ggcracing.com\/products\/strange-engineering-250-alum-spacer-kit-ultra-case-w-10in-r-p\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Strange Engineering Ultra Case .250 Aluminum Spacer Kit \\u2014 Fits Ford 9in fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Strange Engineering?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Strange Engineering Ultra Case .250 Aluminum Spacer Kit \\u2014 Fits Ford 9in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Strange Engineering","offers":[{"title":"Default Title","offer_id":41435712323668,"sku":"BJHW_N1950HK","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/STGN1950HK.jpg?v=1721447945"},{"product_id":"shim-kit-ford-9in-with-crush-sleeve","title":"Allstar Performance Shim Kit Ford 9in with Crush Sleeve Differential Shims — Fits Ford 9in","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/iZInF95qHX8\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance Ford 9in Differential Shim Kit\u003c\/h2\u003e\n\u003cp\u003eAchieve the perfect gear pattern and backlash in your Ford 9-inch differential with the Allstar Performance Shim Kit. This essential kit provides the precision components needed to fine-tune your differential setup for optimal performance and quiet operation.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Gear Adjustment\u003c\/h3\u003e\n\u003cp\u003eProperly setting up your ring and pinion gears is crucial for the longevity and efficiency of your differential. This kit includes carefully selected shims designed to allow for accurate adjustments to pinion depth and gear mesh. The included crush sleeve is vital for establishing the correct pinion bearing pre-load, a critical step in any differential rebuild.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Kit Contents\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive shim kit for the Ford 9-inch rearend contains:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality pinion retainer shims for precise depth adjustment.\u003c\/li\u003e\n  \u003cli\u003eA durable crush sleeve for setting pinion bearing pre-load.\u003c\/li\u003e\n  \u003cli\u003eA new pinion nut to ensure secure installation.\u003c\/li\u003e\n  \u003cli\u003eAdditional shims to facilitate fine-tuning of gear backlash.\u003c\/li\u003e\n  \u003cli\u003eAll necessary bolts for secure component mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuilt for Durability and Accuracy\u003c\/h3\u003e\n\u003cp\u003eCrafted by Allstar Performance, known for their quality automotive components, this shim kit is built to last. Whether you're performing a routine service or a full performance build, these parts will help you achieve professional-level results. Ensure your Ford 9-inch differential is set up correctly for maximum power transfer and minimal wear.\u003c\/p\u003e\n\n\u003cp\u003eGet your Ford 9-inch differential dialed in with the Allstar Performance Shim Kit. Available now at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit Ford 9in with Crush Sleeve Differential Shims \\u2014 Fits Ford 9in\",\"description\":\"Dial in your Ford 9in differential with the Allstar Performance Shim Kit. Includes shims, crush sleeve, and hardware for precise gear setup. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68611\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-crush-sleeve\",\"offers\":{\"@type\":\"Offer\",\"price\":\"32.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-crush-sleeve\",\"sku\":\"DNLF_ALL68611\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit Ford 9in with Crush Sleeve Differential Shims \\u2014 Fits Ford 9in\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-crush-sleeve\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit Ford 9in with Crush Sleeve Differential Shims \\u2014 Fit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit Ford 9in with Crush Sleeve Differential Shims \\u2014 Fit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644792184916,"sku":"DNLF_ALL68611","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68611.jpg?v=1729384018"},{"product_id":"shim-kit-dana-44","title":"Allstar Performance Shim Kit Dana 44 — Differential Shim Kit","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/5oALDmW5txY\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance Dana 44 Differential Shim Kit\u003c\/h2\u003e\n\u003cp\u003eAchieve perfect gear mesh and pinion pre-load in your Dana 44 differential with the Allstar Performance Shim Kit. This essential kit provides the precision components needed to fine-tune your rear end for optimal performance, durability, and quiet operation. Whether you're performing a routine rebuild or a performance upgrade, these shims are crucial for setting up your gears correctly.\u003c\/p\u003e\n\u003ch3\u003ePrecision Setup Components\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive shim kit includes everything necessary for accurate differential setup:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePinion retainer shims for precise pinion depth adjustment.\u003c\/li\u003e\n  \u003cli\u003ePre-load shims to establish the correct bearing load for smooth operation.\u003c\/li\u003e\n  \u003cli\u003eHigh-quality bolts for secure component mounting.\u003c\/li\u003e\n  \u003cli\u003eA crush sleeve for setting pinion bearing pre-load.\u003c\/li\u003e\n  \u003cli\u003eA pinion nut for securing the pinion flange.\u003c\/li\u003e\n  \u003cli\u003eVarious shims to achieve the perfect gear backlash and pinion bearing pre-load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineered for Dana 44 Performance\u003c\/h3\u003e\n\u003cp\u003eThe Allstar Performance Shim Kit is designed specifically for the robust Dana 44 axle, a popular choice for a wide range of trucks, Jeeps, and performance vehicles. Each component is manufactured to exacting standards to ensure accurate adjustments and long-lasting reliability. Proper shim installation is critical for preventing premature gear wear, reducing noise, and maximizing the efficiency of your drivetrain.\u003c\/p\u003e\n\u003cp\u003eEnsure your Dana 44 performs at its best. Get the Allstar Performance Shim Kit for precise differential setup, available now at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit Dana 44 \\u2014 Differential Shim Kit\",\"description\":\"Dial in your Dana 44 differential with the Allstar Performance Shim Kit. 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Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68633\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-dana-44\",\"offers\":{\"@type\":\"Offer\",\"price\":\"39.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-dana-44\",\"sku\":\"DNLF_ALL68633\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit Dana 44 \\u2014 Differential Shim Kit\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-dana-44\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit Dana 44 \\u2014 Differential Shim Kit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit Dana 44 \\u2014 Differential Shim Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644793430100,"sku":"DNLF_ALL68633","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68633.jpg?v=1729384073"},{"product_id":"shim-kit-ford-9in-with-solid-spacer","title":"Allstar Performance Shim Kit Ford 9in Differential — Solid Spacer Kit","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/6d3UXAqIVAk\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance Ford 9-Inch Differential Shim Kit\u003c\/h2\u003e\n\u003cp\u003eAchieve perfect gear meshing and pinion pre-load with the Allstar Performance Shim Kit for Ford 9-inch differentials. This comprehensive kit includes all the necessary components to fine-tune your differential setup, ensuring optimal performance and reduced wear.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Adjustment Components\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed to provide the tools for accurate differential calibration, featuring:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePinion retainer shims for precise depth adjustment\u003c\/li\u003e\n  \u003cli\u003ePre-load shims to set proper bearing tension\u003c\/li\u003e\n  \u003cli\u003eHigh-strength bolts for secure assembly\u003c\/li\u003e\n  \u003cli\u003eA solid spacer for enhanced durability and consistent pre-load\u003c\/li\u003e\n  \u003cli\u003ePinion nut for final tightening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngineered for Ford 9-Inch Differentials\u003c\/h3\u003e\n\u003cp\u003eTailored specifically for the robust Ford 9-inch axle, this shim kit ensures compatibility and ease of installation. Whether you're building a custom rear end or refreshing an existing one, these components are vital for achieving the correct backlash and pinion angle.\u003c\/p\u003e\n\n\u003ch3\u003eEnhanced Durability with Solid Spacer\u003c\/h3\u003e\n\u003cp\u003eThe inclusion of a solid spacer offers a significant advantage over crush sleeves in high-performance applications. It provides a more stable and consistent pre-load, reducing the risk of adjustment drift under stress and contributing to a longer differential lifespan.\u003c\/p\u003e\n\n\u003cp\u003eEnsure your Ford 9-inch differential operates at its peak. Get the Allstar Performance Shim Kit with Solid Spacer today at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit Ford 9in Differential \\u2014 Solid Spacer Kit\",\"description\":\"Complete your Ford 9in differential setup with the Allstar Performance Shim Kit. 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Shop GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68610\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-solid-spacer\",\"offers\":{\"@type\":\"Offer\",\"price\":\"41.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-solid-spacer\",\"sku\":\"DNLF_ALL68610\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit Ford 9in Differential \\u2014 Solid Spacer Kit\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-9in-with-solid-spacer\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit Ford 9in Differential \\u2014 Solid Spacer Kit fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit Ford 9in Differential \\u2014 Solid Spacer Kit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644793823316,"sku":"DNLF_ALL68610","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68610.jpg?v=1729384089"},{"product_id":"shim-kit-gm-7-5in-10-bolt-1982-1998","title":"Allstar Performance GM 7.5in 10-Bolt Shim Kit 1982-1998","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance GM 7.5-Inch 10-Bolt Differential Shim Kit\u003c\/h2\u003e\n\u003cp\u003eEnsure precise gear setup and optimal performance for your GM 7.5-inch 10-bolt differential with this comprehensive Shim Kit from Allstar Performance. Designed for 1982-1998 applications, this kit provides the essential components for accurate pinion depth and bearing pre-load adjustments.\u003c\/p\u003e\n\n\u003ch3\u003eComplete Differential Adjustment Kit\u003c\/h3\u003e\n\u003cp\u003eThis kit includes everything needed to properly set up your differential:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePinion retainer shims for precise gear depth\u003c\/li\u003e\n  \u003cli\u003ePre-load shims for correct bearing tension\u003c\/li\u003e\n  \u003cli\u003eA crush sleeve for easy and accurate pinion pre-load setting\u003c\/li\u003e\n  \u003cli\u003eHigh-quality bolts for secure component mounting\u003c\/li\u003e\n  \u003cli\u003eA pinion nut for final tightening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVehicle Specific Fitment\u003c\/h3\u003e\n\u003cp\u003eEngineered specifically for GM 7.5-inch 10-bolt differentials found in vehicles from 1982 to 1998, this kit guarantees proper fitment and function. It's the ideal solution for rebuilds, upgrades, or repairs on popular GM rear ends.\u003c\/p\u003e\n\n\u003ch3\u003eReliable Performance and Durability\u003c\/h3\u003e\n\u003cp\u003eBy allowing for precise adjustments, this shim kit helps ensure your differential operates smoothly, quietly, and efficiently. Proper setup minimizes gear wear and maximizes the lifespan of your drivetrain components, even under demanding conditions.\u003c\/p\u003e\n\n\u003cp\u003eGet your GM 7.5-inch 10-bolt differential set up perfectly. Purchase the Allstar Performance Shim Kit today at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance GM 7.5in 10-Bolt Shim Kit 1982-1998\",\"description\":\"Dial in your GM 7.5in 10-Bolt differential with the Allstar Performance Shim Kit. Includes shims, bolts, crush sleeve \u0026 pinion nut for 1982-1998 vehicles. Shop GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68615\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-7-5in-10-bolt-1982-1998\",\"offers\":{\"@type\":\"Offer\",\"price\":\"43.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-7-5in-10-bolt-1982-1998\",\"sku\":\"DNLF_ALL68615\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance GM 7.5in 10-Bolt Shim Kit 1982-1998\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-7-5in-10-bolt-1982-1998\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance GM 7.5in 10-Bolt Shim Kit 1982-1998 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance GM 7.5in 10-Bolt Shim Kit 1982-1998?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644794118228,"sku":"DNLF_ALL68615","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68615.jpg?v=1729384103"},{"product_id":"shim-kit-gm-8-875in-12-bolt-car","title":"Allstar Performance Shim Kit GM 8.875in 12 Bolt Car","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance GM 8.875in 12-Bolt Differential Shim Kit\u003c\/h2\u003e\n\u003cp\u003eAchieve precise gear setup and optimal performance for your GM 8.875-inch 12-bolt differential with this high-quality shim kit from Allstar Performance. This kit is essential for fine-tuning your rear end, ensuring smooth operation and durability under demanding conditions.\u003c\/p\u003e\n\u003ch3\u003eKit Contents:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePinion retainer shims for accurate depth adjustment\u003c\/li\u003e\n  \u003cli\u003ePre-load shims to set proper bearing tension\u003c\/li\u003e\n  \u003cli\u003eCrush sleeve for establishing correct pinion bearing preload\u003c\/li\u003e\n  \u003cli\u003ePinion nut for secure assembly\u003c\/li\u003e\n  \u003cli\u003eEssential shims for setting backlash and gear pattern\u003c\/li\u003e\n  \u003cli\u003eHardware required for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis shim kit is specifically designed for the robust GM 12-bolt rear axle, commonly found in classic muscle cars and performance vehicles. Proper shim selection is critical for establishing the correct gear mesh, backlash, and pinion depth, which directly impacts drivetrain efficiency, noise levels, and component longevity. Whether you are performing a routine rebuild or a performance upgrade, this kit provides the necessary tools for a precise setup.\u003c\/p\u003e\n\u003cp\u003eBy using this Allstar Performance Shim Kit, you ensure that your differential operates with minimal wear and maximum power transfer. Correctly set up gears reduce stress on the entire drivetrain, preventing premature failure and enhancing the driving experience. This kit is an indispensable part of any differential service for the GM 12-bolt.\u003c\/p\u003e\n\u003cp\u003eGet your GM 8.875in 12-bolt rear end dialed in perfectly with this comprehensive shim kit. Available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit GM 8.875in 12 Bolt Car\",\"description\":\"Fine-tune your GM 8.875in 12 Bolt differential with this Allstar Performance Shim Kit. Includes pinion retainer, pre-load shims, and more. Shop now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68619\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-8-875in-12-bolt-car\",\"offers\":{\"@type\":\"Offer\",\"price\":\"47.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-8-875in-12-bolt-car\",\"sku\":\"DNLF_ALL68619\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit GM 8.875in 12 Bolt Car\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-gm-8-875in-12-bolt-car\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit GM 8.875in 12 Bolt Car fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit GM 8.875in 12 Bolt Car?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644796018772,"sku":"DNLF_ALL68619","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68619.jpg?v=1729384181"},{"product_id":"shim-kit-mopar-8-3-4-w-489-casting","title":"Allstar Performance Shim Kit Mopar 8-3\/4 489 Case — Fits Mopar 8.75in","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/xKiokoEYAQA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance Differential Shim Kit for Mopar 8-3\/4 Inch Rear Ends\u003c\/h2\u003e\n\u003cp\u003eProper setup of your Mopar 8-3\/4 inch rear end is critical for smooth operation and longevity. The Allstar Performance Differential Shim Kit is designed specifically for differentials featuring the \"489\" case, ensuring precise alignment and preload for your pinion and ring gears. This comprehensive kit provides all the necessary components to correctly set up your differential, reducing wear and preventing potential damage.\u003c\/p\u003e\n\n\u003ch3\u003eKit Contents \u0026amp; Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePinion Shims:\u003c\/strong\u003e For accurate backlash and gear pattern adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrush Sleeve:\u003c\/strong\u003e Essential for setting correct pinion bearing pre-load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePinion Nut:\u003c\/strong\u003e High-quality nut for securing the pinion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdditional Shims:\u003c\/strong\u003e For fine-tuning gear mesh and pre-load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Specifically designed for Mopar 8.75\" rear ends with the 489 case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCorrectly setting the pinion bearing pre-load and gear backlash is crucial for the performance and lifespan of any differential. Incorrect pre-load can lead to premature bearing failure, while improper gear mesh can cause noise, vibration, and rapid gear wear. This Allstar Performance kit includes all the small, yet vital, parts needed to achieve the factory specifications, ensuring your differential performs at its best.\u003c\/p\u003e\n\n\u003cp\u003eWhether you are rebuilding a classic Mopar rear end or performing routine maintenance, this shim kit is an indispensable part of the process. Ensure your Mopar 8-3\/4\" differential is set up for optimal performance and durability. Purchase this essential Allstar Performance Shim Kit today from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit Mopar 8-3\/4 489 Case \\u2014 Fits Mopar 8.75in\",\"description\":\"Essential Allstar Performance Shim Kit for Mopar 8-3\/4 rear ends with 489 case. Includes pinion, crush sleeve, and more. Get yours at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68631\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-mopar-8-3-4-w-489-casting\",\"offers\":{\"@type\":\"Offer\",\"price\":\"54.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-mopar-8-3-4-w-489-casting\",\"sku\":\"DNLF_ALL68631\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit Mopar 8-3\/4 489 Case \\u2014 Fits Mopar 8.75in\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-mopar-8-3-4-w-489-casting\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit Mopar 8-3\/4 489 Case \\u2014 Fits Mopar 8.75in fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit Mopar 8-3\/4 489 Case \\u2014 Fits Mopar 8.75in?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644800049236,"sku":"DNLF_ALL68631","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68631.jpg?v=1729384306"},{"product_id":"shim-kit-ford-8-8in","title":"Allstar Performance Shim Kit — Ford 8.8in Differential","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/BG40FJHsf_Y\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance Differential Shim Kit for Ford 8.8in\u003c\/h2\u003e\n\u003cp\u003eAchieve precise gear setup and ensure optimal performance of your Ford 8.8-inch differential with the Allstar Performance Shim Kit. This comprehensive kit includes the necessary shims to properly set pinion bearing pre-load, a critical step in ensuring the longevity and smooth operation of your differential. Correctly installed shims help maintain proper gear mesh and reduce wear, leading to a more reliable drivetrain.\u003c\/p\u003e\n\u003ch3\u003eKit Contents and Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Designed specifically for Ford 8.8-inch differentials\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponents:\u003c\/strong\u003e Includes essential shims for pinion retainer and pre-load adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose:\u003c\/strong\u003e Crucial for setting correct bearing pre-load and gear mesh\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e High-quality components ensure long-lasting performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompleteness:\u003c\/strong\u003e Kit may include related items such as bolts, crush sleeve, or pinion nut for a complete installation (verify specific kit contents)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Helps prevent gear whine and premature wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProperly setting up your differential is paramount for any performance vehicle. This Allstar Performance Shim Kit provides the specialized parts needed to ensure your Ford 8.8-inch rear end is assembled correctly. Whether you are performing a routine maintenance check, rebuilding your differential, or installing a new gear set, using the right shims is essential for achieving the desired performance and durability. Trust GGCRACING for all your differential and drivetrain needs.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Shim Kit \\u2014 Ford 8.8in Differential\",\"description\":\"Properly set up your Ford 8.8in differential with the Allstar Performance Shim Kit. Includes shims for pinion preload. Shop GGCRACING today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL68613\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-8-8in\",\"offers\":{\"@type\":\"Offer\",\"price\":\"44.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-8-8in\",\"sku\":\"DNLF_ALL68613\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Shim Kit \\u2014 Ford 8.8in Differential\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-kit-ford-8-8in\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Shim Kit \\u2014 Ford 8.8in Differential fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Shim Kit \\u2014 Ford 8.8in Differential?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41644804603988,"sku":"DNLF_ALL68613","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL68613.jpg?v=1729384511"},{"product_id":"alum-spool-carrier-shim","title":"Winters Aluminum Spool Carrier Shim - 2.071 in ID — Fits Winters Spools","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Winters\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eWinters engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Winters lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWinters Aluminum Spool Carrier Shim: Precision for Your Differential\u003c\/h2\u003e\n\u003cp\u003eAchieve perfect gear mesh and differential setup with this Winters Aluminum Spool Carrier Shim. Designed specifically for Winters aluminum spools and differentials, this shim is crucial for ensuring the correct bearing preload and pinion depth, leading to smoother operation and extended component life. Its precise dimensions guarantee a perfect fit, minimizing backlash and reducing stress on your gears.\u003c\/p\u003e\n\u003ch3\u003eProduct Details:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Differential Shim\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (ID):\u003c\/strong\u003e 2.071 inches, engineered for specific Winters spool applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality steel construction for durability and consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Intended for use with Winters Aluminum Spools and Differentials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Essential for setting proper bearing preloads and gear backlash.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold:\u003c\/strong\u003e As a Kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProperly shimming your differential is a critical step in any rear-end build or rebuild. This shim helps maintain the integrity of your gear set by ensuring they operate within their designed parameters. Whether you are building a race-winning rear end or upgrading your street car's differential, this Winters shim is a reliable choice. Ensure your drivetrain components are set up for success. Find this and other essential differential parts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Winters products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifter-th400-stock-pattern\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters TH400 Stock Pattern Automatic Shifter - Sidewinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dampner-bushing-w-5-yellow-hard\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Dynamic Dampener Puck - 95 Durometer Yellow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rear-end-lube-w-moly\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters 80-90-140W Semi-Synthetic Rear End Gear Oil - 1 Gallon\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifter-cable-bracket-small-steel\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Small Steel Shifter Cable Bracket - Zinc Oxide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gate-plate-c4-c6-reverse-pattern\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Gate Plate C4 \u0026amp; C6 Reverse Pattern Shifter Gate Plate — Winters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Winters Aluminum Spool Carrier Shim - 2.071 in ID \\u2014 Fits Winters Spools\",\"description\":\"Optimize your Winters differential with this Aluminum Spool Carrier Shim. Features 2.071 in ID for precise gear mesh. Shop performance drivetrain parts at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Winters\"},\"mpn\":\"5295\",\"url\":\"https:\/\/ggcracing.com\/products\/alum-spool-carrier-shim\",\"offers\":{\"@type\":\"Offer\",\"price\":\"9.49\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/alum-spool-carrier-shim\",\"sku\":\"BJKD_5295\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Winters\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Winters\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Winters Aluminum Spool Carrier Shim - 2.071 in ID \\u2014 Fits Winters Spools\",\"item\":\"https:\/\/ggcracing.com\/products\/alum-spool-carrier-shim\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Winters Aluminum Spool Carrier Shim - 2.071 in ID \\u2014 Fits Winters Spools fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Winters?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Winters Aluminum Spool Carrier Shim - 2.071 in ID \\u2014 Fits Winters Spools?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Winters","offers":[{"title":"Default Title","offer_id":41706616717396,"sku":"BJKD_5295","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/WIN5295.jpg?v=1731795357"},{"product_id":"shim-chevy-new-sb","title":"Winters 62321 Flywheel Shim - 0.036\" Thick Steel - Fits Small Block Chevy \/ V6","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Winters\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eWinters engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Winters lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWinters Flywheel Shim - Precision Engineered for Performance\u003c\/h2\u003e\n\n\u003cp\u003eEnsure optimal clutch engagement and drivetrain integrity with the Winters 62321 Flywheel Shim. This essential component is precision-manufactured to provide a reliable solution for your Small Block Chevy or V6 engine.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 0.036 inches, providing the perfect shim for critical adjustments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable steel for long-lasting performance and resistance to wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural finish for a clean, professional look.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Specifically designed for late model Small Block Chevy and V6 engines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold individually (each).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eProper flywheel shimming is crucial for preventing clutch chatter, ensuring smooth power delivery, and protecting your transmission. This Winters shim offers the exact specifications needed to achieve correct flywheel-to-crankshaft alignment. Whether you're performing a routine maintenance task or building a high-performance engine, this shim is a vital part of your drivetrain assembly. Trust in Winters' commitment to quality and performance for your vehicle's needs.\u003c\/p\u003e\n\n\u003cp\u003eGet the right fit and function with the Winters 62321 Flywheel Shim, available now at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Winters products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifter-th400-stock-pattern\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters TH400 Stock Pattern Automatic Shifter - Sidewinder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/dampner-bushing-w-5-yellow-hard\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Dynamic Dampener Puck - 95 Durometer Yellow\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rear-end-lube-w-moly\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters 80-90-140W Semi-Synthetic Rear End Gear Oil - 1 Gallon\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/shifter-cable-bracket-small-steel\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Small Steel Shifter Cable Bracket - Zinc Oxide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gate-plate-c4-c6-reverse-pattern\" style=\"color:#0066cc;text-decoration:none;\"\u003eWinters Gate Plate C4 \u0026amp; C6 Reverse Pattern Shifter Gate Plate — Winters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Winters 62321 Flywheel Shim - 0.036\\\" Thick Steel - Fits Small Block Chevy \/ V6\",\"description\":\"Upgrade your Small Block Chevy or V6 with this Winters 0.036\\\" steel flywheel shim (62321). 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Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Winters\"},\"mpn\":\"62321\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-chevy-new-sb\",\"offers\":{\"@type\":\"Offer\",\"price\":\"4.49\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/shim-chevy-new-sb\",\"sku\":\"BJKD_62321\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Wheels\",\"item\":\"https:\/\/ggcracing.com\/collections\/wheels\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Winters\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Winters\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Winters 62321 Flywheel Shim - 0.036\\\" Thick Steel - Fits Small Block Chevy \/ V6\",\"item\":\"https:\/\/ggcracing.com\/products\/shim-chevy-new-sb\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Winters 62321 Flywheel Shim - 0.036\\\" Thick Steel - Fits Small Block Chevy \/ V6 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. 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