Engineered for GM 8.5"/8.625" 10-bolt axles, the Motive Gear G885-2.73 ring and pinion set delivers reliable performance, long-term durability, and quiet operation for everyday driving, light towing, and restoration projects. Manufactured from premium 8620 steel for strength and precision fitment.
Gear Ratio: 2.73
Ring Gear Diameter: 8.5"
Ring Gear Tooth Count: 41
Pinion Gear Tooth Count: 15
Pinion Shaft Diameter: 1.626"
Pinion Spline Count: 30
Ring Gear Material: 8620 Steel
Bolt Count: 10 Ring Gear Bolts
Fits GM 8.5"/8.625" 10-Bolt Front and Rear Axles with 2.73 Ratio and Standard Carrier Configuration.
Buick1973–1975 Apollo
1971–1973 Centurion
1973–1977 Century
1991–1996 Commercial Chassis
1971–1990 Electra
1971–1981 Estate Wagon
1971–1985 LeSabre
2004–2007 Rainier
1973–1977, 1984–1987 Regal
1977–1978 Riviera
1991–1996 Roadmaster
1970–1972, 1975–1979 Skylark
Cadillac1987–1992 Brougham
1977–1984 DeVille
1999–2000, 2002–2013 Escalade, Escalade ESV, Escalade EXT
1977–1987, 1993–1996 Fleetwood
1976–1979 Seville
Chevrolet1987–2005 Blazer
1977–1999 C/K 10, 1500, 2500 Trucks & Suburban
1995–2013 Suburban 1500
1999–2020 Silverado 1500
1994–2004 S10, 1983–1994 S10 Blazer
2002–2009 Trailblazer, 2002–2006 Trailblazer EXT
1995–2013 Tahoe
1970–2006 Camaro, Caprice, El Camino, Impala, Malibu, Monte Carlo, Nova
2007–2013 Avalanche, Express 1500
2003–2006 SSR
GMC1970–2005 Jimmy, C/K Series, Yukon, Yukon XL 1500
1999–2020 Sierra 1500
1996–2013 Savana 1500
2004–2012 Canyon
1994–2004 Sonoma
1992–1993 Typhoon
Other Brands2006–2010 Hummer H3 & H3T
2003–2008 Isuzu Ascender
1971–1996 Oldsmobile 442, 98, Cutlass, Delta 88, Custom Cruiser
1971–1986 Pontiac Bonneville, Grand Prix, Firebird, LeMans, GTO, Ventura
2005–2009 Saab 9-7x
Motive Gear: GM10-273
G2 Axle & Gear: 2-2021-273
EXCEL from Richmond: GM85273
Backed by a 2-Year / 100,000-Mile Warranty, Motive Gear products are trusted for OEM-quality construction, reliable street performance, and long service life. Ideal for restoration, upgrades, or daily driving applications.