Yukon Differential Ring And Pinion (MPN: YG GM8.5-488)

High-performance gears for GM 8.5 inch axles in demanding conditions.

Yukon Differential Ring and Pinion sets are engineered for durability and performance in various driving conditions, including street, off-road, and track applications. With a ring gear diameter of 8.5 inches and a 4.88 gear ratio, these components are designed to enhance vehicle performance while ensuring reliability. The latest manufacturing technologies are utilized to create a quiet running gear that is robust and straightforward to install. Yukon Gear & Axle prioritizes quality, providing products that meet the demands of harsh environments.

Features

• Gives You The Confidence Of Knowing You're Running Gears Designed For The Harshest Of Conditions
• Delivers Unrivaled Performance And Quality
• Uses The Latest Designs And Manufacturing Technologies To Provide A Quiet Running Gear That Is Strong And Easy To Set Up

Specifications

• Manufacturer: Yukon Gear & Axle
• Manufacturer Part Number: YG GM8.5-488
• Axle Model: GM 8.5 Inch/ 8.6 Inch/ 8.625 Inch
• Ratio: 4.88
• Ring Gear Diameter (IN): 8-1/2 Inch
• Pinion Spline Count: 30
• Ring Gear Rotation: Standard
• Number Of Cover Bolts: No Cover Bolts
• Ring Gear Bolts: 10

Compatibility / Fit

• 1973-1975 Buick Apollo
• 1971-1973 Buick Centurion
• 1973-1981 Buick Century
• 1991-1996 Buick Commercial Chassis
• 1971-1989 Buick Electra
• 1971-1983 Buick Estate Wagon
• 1971-1972 Buick GS
• 1971-1972 Buick GS 455
• 1971-1990 Buick LeSabre
• 1976-1979 Buick Opel
• 2004-2007 Buick Rainier
• 1973-1987 Buick Regal
• 1971-1978 Buick Riviera
• 1991-1996 Buick Roadmaster
• 1975-1980 Buick Skyhawk
• 1970-1972 Buick Skylark
• 1975-1979 Buick Skylark
• 1985-1985 Buick Somerset Regal
• 1971-1972 Buick Sportwagon
• 1987-1992 Cadillac Brougham
• 1992-1996 Cadillac Commercial Chassis
• 1999-2000 Cadillac Escalade
• 2002-2020 Cadillac Escalade
• 2003-2012 Cadillac Escalade ESV
• 2002-2012 Cadillac Escalade EXT
• 1984-1984 Cadillac Fleetwood
• 1993-1996 Cadillac Fleetwood
• 2007-2013 Chevrolet Avalanche
• 2002-2006 Chevrolet Avalanche 1500
• 1970-1975 Chevrolet Bel Air
• 1971-1972 Chevrolet Biscayne
• 1987-2005 Chevrolet Blazer
• 1971-1972 Chevrolet Brookwood
• 1978-1986 Chevrolet C10
• 1978-1986 Chevrolet C10 Suburban
• 1988-1999 Chevrolet C1500
• 1992-1999 Chevrolet C1500 Suburban
• 1978-1986 Chevrolet C20
• 1977-1986 Chevrolet C20 Suburban
• 1988-2000 Chevrolet C2500
• 1992-1999 Chevrolet C2500 Suburban
• 1970-1981 Chevrolet Camaro
• 1970-1996 Chevrolet Caprice
• 1970-1973 Chevrolet Chevelle
• 2004-2012 Chevrolet Colorado
• 1963-1979 Chevrolet Corvette
• 1970-1977 Chevrolet El Camino
• 1996-2014 Chevrolet Express 1500
• 1996-1996 Chevrolet Express 2500
• 1975-1995 Chevrolet G10
• 1970-1974 Chevrolet G10 Van
• 1975-1995 Chevrolet G20
• 1970-1974 Chevrolet G20 Van
• 1971-1985 Chevrolet Impala
• 1994-1996 Chevrolet Impala
• 1977-1986 Chevrolet K10
• 1977-1986 Chevrolet K10 Suburban
• 1988-1999 Chevrolet K1500
• 1992-1999 Chevrolet K1500 Suburban
• 1975-1986 Chevrolet K20
• 1977-1986 Chevrolet K20 Suburban
• 1988-2000 Chevrolet K2500
• 1992-1999 Chevrolet K2500 Suburban
• 1975-1986 Chevrolet K5 Blazer
• 1971-1972 Chevrolet Kingswood
• 1973-1976 Chevrolet Laguna
• 1973-1983 Chevrolet Malibu
• 1971-1983 Chevrolet Monte Carlo
• 1970-1979 Chevrolet Nova
• 1987-1987 Chevrolet R10
• 1987-1988 Chevrolet R10 Suburban
• 1989-1991 Chevrolet R1500 Suburban
• 1987-1988 Chevrolet R20
• 1987-1988 Chevrolet R20 Suburban
• 1989-1991 Chevrolet R2500 Suburban
• 1982-1984 Chevrolet S10
• 1986-2004 Chevrolet S10
• 1983-1994 Chevrolet S10 Blazer
• 1999-2018 Chevrolet Silverado 1500
• 2007-2007 Chevrolet Silverado 1500 Classic
• 2001-2003 Chevrolet Silverado 1500 HD
• 2005-2006 Chevrolet Silverado 1500 HD
• 2007-2007 Chevrolet Silverado 1500 HD Classic
• 2003-2006 Chevrolet SSR
• 2000-2014 Chevrolet Suburban 1500
• 1995-2020 Chevrolet Tahoe
• 1971-1972 Chevrolet Townsman
• 2002-2009 Chevrolet Trailblazer
• 2002-2005 Chevrolet Trailblazer EXT
• 1987-1987 Chevrolet V10
• 1987-1988 Chevrolet V10 Suburban
• 1989-1991 Chevrolet V1500 Suburban
• 1987-1987 Chevrolet V20
• 1987-1988 Chevrolet V20 Suburban
• 1989-1991 Chevrolet V2500 Suburban
• 1977-1978 GMC C15
• 1978-1978 GMC C15 Suburban
• 1979-1986 GMC C1500
• 1988-1999 GMC C1500
• 1979-1986 GMC C1500 Suburban
• 1992-1999 GMC C1500 Suburban
• 1975-1978 GMC C25
• 1975-1978 GMC C25 Suburban
• 1979-1986 GMC C2500
• 1988-2000 GMC C2500
• 1979-1986 GMC C2500 Suburban
• 1992-1999 GMC C2500 Suburban
• 1998-1998 GMC C3500
• 2004-2012 GMC Canyon
• 2002-2009 GMC Envoy
• 2002-2006 GMC Envoy XL
• 2004-2005 GMC Envoy XUV
• 1975-1978 GMC G15
• 1970-1974 GMC G15/G1500 Van
• 1979-1995 GMC G1500
• 1975-1978 GMC G25
• 1970-1974 GMC G25/G2500 Van
• 1979-1995 GMC G2500
• 1977-2001 GMC Jimmy
• 1977-1978 GMC K15
• 1977-1978 GMC K15 Suburban
• 1979-1986 GMC K1500
• 1988-1999 GMC K1500
• 1979-1986 GMC K1500 Suburban
• 1992-1999 GMC K1500 Suburban
• 1975-1978 GMC K25
• 1975-1978 GMC K25 Suburban
• 1979-1986 GMC K2500
• 1988-2000 GMC K2500
• 1979-1986 GMC K2500 Suburban
• 1992-1999 GMC K2500 Suburban
• 1987-1987 GMC R1500
• 1987-1991 GMC R1500 Suburban
• 1987-1991 GMC R2500 Suburban
• 1982-1990 GMC S15
• 1983-1991 GMC S15 Jimmy
• 1996-2014 GMC Savana 1500
• 1996-1998 GMC Savana 2500
• 1999-2018 GMC Sierra 1500
• 1991-2004 GMC Sonoma
• 1992-1993 GMC Typhoon
• 1987-1987 GMC V1500
• 1987-1991 GMC V1500 Suburban
• 1987-1987 GMC V2500
• 1987-1991 GMC V2500 Suburban
• 1992-2014 GMC Yukon
• 2000-2014 GMC Yukon XL 1500
• 2006-2010 Hummer H3
• 2009-2010 Hummer H3T
• 2003-2008 Isuzu Ascender
• 1968-1971 Oldsmobile 442
• 1971-1984 Oldsmobile 98
• 1971-1989 Oldsmobile Custom Cruiser
• 1968-1977 Oldsmobile Cutlass
• 1975-1977 Oldsmobile Cutlass Salon
• 1967-1977 Oldsmobile Cutlass Supreme
• 1985-1988 Oldsmobile Cutlass Supreme
• 1976-1976 Oldsmobile Cutlass Tiara
• 1971-1985 Oldsmobile Delta 88
• 1970-1972 Oldsmobile F85
• 1973-1979 Oldsmobile Omega
• 1970-1986 Pontiac Bonneville
• 1970-1981 Pontiac Catalina
• 1970-1981 Pontiac Firebird
• 1973-1975 Pontiac Grand Am
• 1978-1980 Pontiac Grand Am
• 1975-1977 Pontiac Grand LeMans
• 1971-1987 Pontiac Grand Prix
• 1971-1978 Pontiac Grand Safari
• 1971-1975 Pontiac Grandville
• 1970-1973 Pontiac GTO
• 1971-1981 Pontiac LeMans
• 1983-1986 Pontiac Parisienne
• 1977-1979 Pontiac Phoenix
• 1987-1989 Pontiac Safari
• 1971-1977 Pontiac Ventura
• 2005-2009 Saab 9-7x

Technical Documents

• YukonKitInstallManual_Complete.pdf