{"product_id":"12bt373-excel-differential-ring-pinion-for-gm-8-875-12-bolt-3-73-ratio-30-spline-11-pinion-41-ring-tooth-fits-chevy-gmc-blazer-suburban-jimmy-1964-1982-replaces-usa-standard-36175","title":"12BT373 EXCEL Differential Ring \u0026 Pinion for GM 8.875\" 12-Bolt, 3.73 Ratio, 30-Spline, 11 Pinion \u0026 41 Ring Tooth Fits Chevy \u0026 GMC, Blazer, Suburban, Jimmy (1964-1982) –Replaces, USA Standard 36175","description":"\u003cp\u003eProduct Overview.\u003c\/p\u003e\u003cp\u003eUpgrade your GM 8.875\" 12-bolt differential with the EXCEL 12BT373 Ring \u0026amp; Pinion Set.\u003c\/p\u003e\u003cp\u003eThis set is engineered with a 3.73 gear ratio, balancing power, efficiency, and reliability for classic Chevrolet \u0026amp; GMC trucks and SUVs.\u003c\/p\u003e\u003cp\u003e🔹 Features \u0026amp; Benefits: ✅ 3.73 gear ratio optimized for towing and daily driving.\u003c\/p\u003e\u003cp\u003e✅ Standard rotation with a 12-bolt ring gear design.\u003c\/p\u003e\u003cp\u003e✅ 30-spline pinion with an 11-tooth pinion gear for smooth torque transfer.\u003c\/p\u003e\u003cp\u003e✅ 41-tooth ring gear made from premium 8620 steel for high durability.\u003c\/p\u003e\u003cp\u003e✅ Direct fit for GM 8.875\" truck differentials requiring a 3.73 \u0026amp; higher carrier.\u003c\/p\u003e\u003cp\u003e🚗 Application \u0026amp; Compatibility: ✅ Fits Chevrolet \u0026amp; GMC Vehicles: Chevrolet C10, C20, K10, K20, Blazer, Suburban, G10, G20, P10, P20 (1964-1982) GMC C15, C25, K15, K25, Jimmy, Suburban, G15, G25, P15, P25 (1964-1982) 🔄 Replaces For: ✅ USA Standard Gear: 36175 ✅ Richmond Gear: 49-0280-1 ✅ Transtar Industries: 742J730C ✅ Motive Gear: GM12-373, GM12-373A ✅ Richmond Gear: SGM12T04 ✅ USA Standard Gear: ZG GM12T-373 🛡 Warranty \u0026amp; Why Choose EXCEL from Richmond?\u003c\/p\u003e\u003cp\u003eBacked by a 1-year or 50,000-mile warranty, the EXCEL 12BT373 Ring \u0026amp; Pinion Set is engineered for durability, precision, and smooth performance.\u003c\/p\u003e\u003cp\u003eChoose EXCEL from Richmond for premium differential gears designed for classic GM trucks.\u003c\/p\u003e\u003cp\u003eUpgrade your GM 8.875\" 12-bolt differential today with EXCEL’s high-performance 3.73 Ring \u0026amp; Pinion Set!\u003c\/p\u003e\u003cp\u003e🚗💨\u003c\/p\u003e","brand":"Richmond Gear\/Motive Gear","offers":[{"title":"Default Title","offer_id":51746535375130,"sku":"RIC12BT373","price":243.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61Y7vvyB83L_db160ca7-e73f-4d87-a361-f5a2d4055f0b.jpg?v=1771988918","url":"https:\/\/trybeepbeep.com\/products\/12bt373-excel-differential-ring-pinion-for-gm-8-875-12-bolt-3-73-ratio-30-spline-11-pinion-41-ring-tooth-fits-chevy-gmc-blazer-suburban-jimmy-1964-1982-replaces-usa-standard-36175","provider":"TryBeepbeep","version":"1.0","type":"link"}