Motive Gear G885-4.56, Differential Ring & Pinion, For GM 8.5"/8.625" Axles, Gear Ratio: 4.56, 10-Bolt, 30 Spline, 9 Pinion & 41 Ring Tooth – Fits GM Cars, Replaces: GM10-456, 69-0167-1, GM85456

High-Performance Motive Gear G885-4.56 Ring & Pinion Set – 4.56 RatioEngineered for GM 8.5"/8.625" axles, the Motive Gear G885-4.56 ring and pinion set delivers exceptional strength, durability, and smooth performance. Ideal for performance applications and off-road use, this 8620 steel gear set is designed to withstand extreme conditions and high torque demands.Key FeaturesGear Ratio: 4.56Ring Gear Diameter: 8.5"Ring Gear Tooth Count: 41Pinion Gear Tooth Count: 9Pinion Shaft Diameter: 1.626"Pinion Spline Count: 30Ring Gear Material: 8620 SteelBolt Count: 10 Ring Gear BoltsVehicle CompatibilityFits GM 8.5" / 8.625" Rear Axles with 4.56 Ratio and 2.73 or Higher Carrier Configuration.Buick1973–1975 Apollo1971–1990 Electra1971–1981 Estate Wagon1971–1985 LeSabre2004–2007 Rainier1991–1996 Roadmaster1970–1972 Skylark1975–1979 SkylarkCadillac1987–1992 Brougham1977–1984 DeVille1999–2013 Escalade, Escalade ESV, EXT1977–1991 Fleetwood1976–1979 SevilleChevrolet1970–1996 Caprice1970–1981 Camaro1973–1977 El Camino1999–2020 Silverado 15001995–2013 Suburban 1500, Tahoe1994–2004 S102002–2009 Trailblazer & EXT2003–2006 SSR1996–2013 Express 1500And many more...GMC1999–2020 Sierra 15001996–2013 Savana 15001992–2013 Yukon, Yukon XL 15002004–2012 Canyon1994–2004 Sonoma2002–2009 Envoy, Envoy XL, XUV1970–2005 JimmyHummer2006–2010 H32009–2010 H3TIsuzu2003–2008 AscenderOldsmobile1970–1987 Cutlass, Cutlass Supreme, Cutlass Calais, Cutlass Cruiser, Cutlass Salon1970–1984 981980–1992 Custom Cruiser1971–1985 Delta 88Pontiac1971–1981 Bonneville, Catalina, Firebird, Grand Prix, LeMans, Ventura1972–1973 GTO1975–1980 Grand AmSaab2005–2009 9-7xReplaces OEM & Aftermarket Part NumbersG2 Axle & Gear: 1-2021-456, 2-2021-456American Axle & Mfg: 40028640, 40053802Richmond Gear: 69-0167-1Motive Gear: GM10-456, GM10-456ARevolution Gear & Axle: GM10-456DCEXCEL from Richmond: GM85456Warranty & Quality AssuranceBacked by a 2-Year / 100,000-Mile Warranty, Motive Gear ensures top-tier materials and craftsmanship, trusted by enthusiasts and professionals alike for long-lasting performance in street, off-road, and racing builds.

• Engineered for GM 8.5"/8.625" axles with a 4.56 gear ratio, featuring 9 pinion teeth, 41 ring teeth, 1.626" pinion shaft diameter, and 30-spline count. Built for high-performance use in street, off-road, and towing applications.
• Manufactured from premium 8620 steel for extreme strength, heat resistance, and quiet operation—ideal for heavy-duty and high-torque environments requiring dependable gear durability.
• Set includes precision-machined ring and pinion gears for smooth meshing and reduced friction. Bolt count: 10 on ring gear; designed for standard rotation axles.
• Compatible with differential carrier break of 2.73 and higher. Ring gear outside diameter is 8.5". For GM 10-bolt applications—perfect for OE replacement or performance upgrades.
• Fits a wide range of GM vehicles from 1970 to 2020 including Silverado 1500, Tahoe, Suburban, Camaro, Blazer, S10, Yukon, Escalade, Hummer H3/H3T, and more. Replaces: GM10-456, GM85456, 69-0167-1, and others.