{"product_id":"main-bearing-set-183","title":"Sealed Power 4040M10 Main Bearing Set 0.010\" Undersize — Fits Pontiac V8 Engines","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 Sealed Power\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSealed Power engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sealed Power lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eRobust Crankshaft Support for Your Pontiac V8: Sealed Power 0.010\" Undersize Main Bearings\u003c\/h2\u003e\u003cp\u003eFor Pontiac V8 engines undergoing a significant rebuild or requiring specialized crankshaft machining, the \u003cstrong\u003eSealed Power 4040M10 Main Bearing Set\u003c\/strong\u003e is the definitive choice. This comprehensive kit provides 0.010-inch undersize main bearings, perfectly suited for crankshafts that have been ground down to this specific dimension. Achieving the correct bearing clearance is critical for managing the immense forces within a V8 engine, ensuring longevity and peak performance.\u003c\/p\u003e\u003ch3\u003eEngineered for Demanding Applications\u003c\/h3\u003e\u003cp\u003eSealed Power's legacy in high-performance engine components shines through in the 4040M10 main bearing set. Each bearing is constructed from a robust, advanced alloy, designed to offer superior fatigue resistance and exceptional load-carrying capabilities. This material choice is vital for maintaining a stable oil film under high RPMs and heavy loads, protecting your Pontiac V8's crankshaft from wear and tear, and contributing to overall engine durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignificant Undersize:\u003c\/strong\u003e 0.010\" (0.25mm) undersize for extensively machined Pontiac V8 crankshafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built to withstand high stress and extreme operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Oil Film Control:\u003c\/strong\u003e Ensures consistent lubrication for reduced friction and heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Engine Set:\u003c\/strong\u003e All main bearings included for a thorough and reliable rebuild.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Fitment and Specifications\u003c\/h3\u003e\u003cp\u003eThis main bearing set is precisely engineered for \u003cstrong\u003ePontiac V8\u003c\/strong\u003e engines. The 0.010\" undersize is a crucial specification for crankshafts that have been re-machined to this particular size. Accurate measurement of your crankshaft journals is essential to ensure proper fitment and optimal engine function. The MPN 4040M10 confirms the authenticity and quality of this Sealed Power component.\u003c\/p\u003e\u003ch3\u003eThe Advantage of Precision Undersize Bearings\u003c\/h3\u003e\u003cp\u003eWhen a crankshaft requires significant machining, using the correct undersize bearings is non-negotiable. The Sealed Power 4040M10 set provides the exact fit needed to restore proper clearances, which is fundamental for engine health and performance. By choosing these precision-engineered bearings, you're ensuring your Pontiac V8 receives the robust support it needs to perform reliably, whether on the street or the track.\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 Sealed Power 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\/speed-pro-performance-2015-x3009-r1006\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Speed Pro Performance Street Catalog – 2015 Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/cam-bearing-set-36\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Cam Bearing Set Standard Journal — Fits Small Block Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/main-bearing-spacer-set\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Main Bearing Spacer Set Standard — Fits 351C Crank in SBF\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rod-bearing-171\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power 1555CPA10 Connecting Rod Bearing - 0.010 in Undersize - Pontiac V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rod-bearing-172\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Rod Bearing 0.020 Undersize — Fits Pontiac V8 Engines\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\":\"Sealed Power 4040M10 Main Bearing Set 0.010\\\" Undersize \\u2014 Fits Pontiac V8 Engines\",\"description\":\"Ensure optimal crankshaft support in your Pontiac V8 with a Sealed Power 4040M10 main bearing set, 0.010\\\" undersize. Ideal for re-machined cranks.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Sealed Power\"},\"mpn\":\"4040M10\",\"url\":\"https:\/\/ggcracing.com\/products\/main-bearing-set-183\",\"offers\":{\"@type\":\"Offer\",\"price\":\"127.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/main-bearing-set-183\",\"sku\":\"BDBR_4040M10\"}}\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\":\"Sealed Power\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Sealed+Power\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Sealed Power 4040M10 Main Bearing Set 0.010\\\" Undersize \\u2014 Fits Pontiac V8 Engines\",\"item\":\"https:\/\/ggcracing.com\/products\/main-bearing-set-183\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Sealed Power 4040M10 Main Bearing Set 0.010\\\" Undersize \\u2014 Fits Pontiac V8 Engines 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 Sealed Power?\",\"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 Sealed Power 4040M10 Main Bearing Set 0.010\\\" Undersize \\u2014 Fits Pontiac V8 Engines?\",\"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":"Sealed Power","offers":[{"title":"Default Title","offer_id":41013695774804,"sku":"BDBR_4040M10","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SEA4040M10.jpg?v=1715888653","url":"https:\/\/ggcracing.com\/products\/main-bearing-set-183","provider":"GGCRACING INC","version":"1.0","type":"link"}