{"product_id":"quarter-masterflywheel-bert-brinn-91t-ford","title":"Quarter Master Flywheel 91-Tooth Steel Internal Balance — Fits Small Block Ford Bert\/Brinn","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 Quarter Master\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eQuarter Master engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Quarter Master 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\/mgsuDSGa30o\" 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\u003eHigh-Performance Quarter Master 91-Tooth Steel Flywheel\u003c\/h2\u003e\u003cp\u003eEngineered for maximum reliability in high-stress racing environments, this Quarter Master 91-tooth steel flywheel is the ultimate choice for Small Block Ford engines paired with Bert or Brinn clutchless bellhousing kits. Precision-machined from high-grade steel, this flywheel provides the consistent inertia required for competitive circle track racing.\u003c\/p\u003e\u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTooth Count: 91-Tooth configuration\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength hardened steel\u003c\/li\u003e\n\u003cli\u003eBalance: Internal balance for smooth operation\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed specifically for Small Block Ford applications\u003c\/li\u003e\n\u003cli\u003eApplication: Optimized for use with Quarter Master clutchless bellhousing systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen every millisecond counts, the rotational mass of your flywheel plays a critical role in engine response and power delivery. This unit is built to withstand the extreme heat and torque cycles found in professional racing, ensuring your drivetrain remains stable under load. Its internal balance design minimizes vibration, protecting your crankshaft and bearings during high-RPM shifts. Whether you are rebuilding your transmission or upgrading your current clutch setup, this flywheel delivers the durability and precision you expect from elite racing components. Trust the experts at GGCRACING to provide the high-performance parts you need to dominate 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 Quarter Master 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\/quarter-masterbellhousing-kit-sbc-crate-5-5in-v-drive-2d\" style=\"color:#0066cc;text-decoration:none;\"\u003eQuarter Master Bellhousing Kit SBC 5.5in V-Drive — Small Block Chevy Race Drivetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quarter-masteralum-bellhousing-package-5-5in-v-rear-mount-start\" style=\"color:#0066cc;text-decoration:none;\"\u003eQuarter Master Aluminum Bellhousing Package — 5.5in Triple Disc, V-Drive, Reverse Mount\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quarter-masterbellhousing-kit-alum-5-5in-rm-v-drive\" style=\"color:#0066cc;text-decoration:none;\"\u003eQuarter Master Bellhousing Kit SBC 5.5in Triple Disc — Reverse Mount V-Drive\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quarter-masterclutch-disc-10-4in-1-1-8-x-10-spline\" style=\"color:#0066cc;text-decoration:none;\"\u003eQuarter Master Clutch Disc 10.4in 1-1\/8 x 10 Spline — Organic Rigid Hub\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/quarter-masterclutch-cover-assembly-w-iron-pp\" style=\"color:#0066cc;text-decoration:none;\"\u003eQuarter Master Clutch Pressure Plate 10.4in Steel — Street Stock Racing\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\":\"Quarter Master Flywheel 91-Tooth Steel Internal Balance \\u2014 Fits Small Block Ford Bert\/Brinn\",\"description\":\"Upgrade your drivetrain with the Quarter Master 91-tooth steel flywheel for Small Block Ford engines. Precision-engineered for performance. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Quarter Master\"},\"mpn\":\"509323B\",\"url\":\"https:\/\/ggcracing.com\/products\/quarter-masterflywheel-bert-brinn-91t-ford\",\"offers\":{\"@type\":\"Offer\",\"price\":\"464.43\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/quarter-masterflywheel-bert-brinn-91t-ford\",\"sku\":\"BJGP_509323B\"}}\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\":\"Quarter Master\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Quarter+Master\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Quarter Master Flywheel 91-Tooth Steel Internal Balance \\u2014 Fits Small Block Ford Bert\/Brinn\",\"item\":\"https:\/\/ggcracing.com\/products\/quarter-masterflywheel-bert-brinn-91t-ford\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Quarter Master Flywheel 91-Tooth Steel Internal Balance \\u2014 Fits Small Block 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 Quarter Master?\",\"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 Quarter Master Flywheel 91-Tooth Steel Internal Balance \\u2014 Fits Small Block Ford ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Wheel installation requires a torque wrench and proper lug-tightening sequence to factory spec \\u2014 most installs take 30-60 minutes per wheel.\"}}]}\u003c\/script\u003e","brand":"Quarter Master","offers":[{"title":"Default Title","offer_id":41076970356820,"sku":"BJGP_509323B","price":464.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/QTR509323B.jpg?v=1716857372","url":"https:\/\/ggcracing.com\/products\/quarter-masterflywheel-bert-brinn-91t-ford","provider":"GGCRACING INC","version":"1.0","type":"link"}