Motive Gear GM8.5IK Differential Gear Install Kit for GM 8.5" Rear Gear Ratio: 10-Bolt - Fits Buick, Chevrolet, Cadillac, GMC, Oldsmobile, Pontiac, Replaces - MK GM8.5

Short Summary: The Motive Gear IK GM 8.5" Rear Differential Install Kit provides all necessary components for rebuilding or installing the GM 8.5" 10-bolt rear differential from 1970-1998 models. Designed to ensure precise fit and long-lasting performance in heavy-duty applications.Key FeaturesFitment: GM 8.5" Rear (10 Bolt)Kit Includes: Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims (Pinion & Carrier), Thread Locking CompoundCompatibility: Fits a wide range of GM 8.5" rear differentials from 1970 to 1998Durability: High-quality components designed to meet or exceed OEM standards for rebuild reliabilityWarranty: 1 Year or 50,000 Miles coverageVehicle CompatibilityFits GM 8.5" rear 10-bolt differentials on numerous Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles from 1970 through 1998, covering a broad range of passenger cars, trucks, vans, and commercial chassis models.Buick1973–1975 Apollo1971–1973 Centurion1973–1977 Century1991–1996 Commercial Chassis1973–1984 Electra1973–1983 Estate Wagon1971–1972 GS, GS 4551973–1990 LeSabre1973–1987 Regal1977–1978 Riviera1991–1996 Roadmaster1971–1972 Skylark1975–1979 SkylarkCadillac1987–1992 Brougham1977–1996 Commercial Chassis1977–1984 DeVille1977–1987 Fleetwood1993–1996 FleetwoodChevrolet1970–1975 Bel Air1971–1972 Biscayne1971–1974, 1987–1998 Blazer1975–1986 C101971–1974 C10 Pickup1970–1986 C10 Suburban1988–1998 C15001992–1998 C1500 Suburban1977–1986 C20 Suburban1988–1991 C25001992–1996 C2500 Suburban1970–1981 Camaro1970–1996 Caprice1970–1973 Chevelle1991–1994 Commercial Chassis1972–1979 Corvette1970–1987 El Camino1996–1998 Express 15001996 Express 25001975–1995 G101970–1974 G10 Van1975–1995 G201971–1985 Impala1994–1996 Impala1975–1986 K101971–1974 K10 Pickup1977–1986 K10 Suburban1988–1998 K15001992–1998 K1500 Suburban1977–1986 K201988–1991 K25001977–1986 K5 Blazer1974–1983 Malibu1971–1977 Monte Carlo1970–1979 Nova1977–1980 P101987 R10, R10 Suburban1989–1991 R1500 Suburban1987–1988 R20, R20 Suburban1989 R2500, R2500 Suburban1991–1994 S10 Blazer1995–1998 Tahoe1987 V10, V10 Suburban1989–1991 V1500 Suburban1987 V20, V20 Suburban1989–1991 V2500 SuburbanGMC1977–1978 C15, C15 Suburban1979–1986 C15001988–1998 C15001979–1986 C1500 Suburban1992–1998 C1500 Suburban1977–1978 C25 Suburban1985–1986 C25001988–1991 C25001979–1986 C2500 Suburban1992–1996 C2500 Suburban1978–1987 Caballero1975–1978 G151970–1974 G15/G1500 Van1979–1995 G15001975–1978 G251970–1974 G25/G2500 Van1979–1995 G25001995–1998 Jimmy1977–1978 K15, K15 Suburban1971–1974 K15/K1500 Pickup1979–1986 K15001988–1998 K15001979–1986 K1500 Suburban1992–1998 K1500 Suburban1977–1978 K25, K25 Suburban1979–1986 K25001988–1991 K25001979–1980 P15001987 R15001987–1991 R1500 Suburban1987–1989 R25001989–1991 R2500 Suburban1996–1998 Savana 15001996 Savana 25001991–1998 Sonoma1987 V15001987–1991 V1500 Suburban1987 V25001987–1991 V2500 Suburban1992–1998 YukonIsuzu1996–1998 HombreOldsmobile1971 4421971–1984 981971–1989 Custom Cruiser1970–1981 Cutlass, Cutlass Supreme, Cutlass Salon, Cutlass Tiara1985–1987 Cutlass1977–1985 Delta 881970–1972 F851973–1979 OmegaPontiac1976 Astre1971–1986 Bonneville1973–1981 Catalina1970–1981 Firebird1973–1975, 1978–1980 Grand Am1975–1977 Grand LeMans1971–1977 Grand Prix1977–1978 Grand Safari1971–1975 Grandville1970–1973 GTO1971–1972 Laurentian1971–1978 LeMans1976–1986 Parisienne1977–1979 Phoenix1987–1989 Safari1971–1977 VenturaReplaces OEM & Aftermarket Part NumbersRatech: 110KRichmond Gear: 83-1021-BYukon Gear and Axle: MK GM8.5, MK GM8.5-FWarranty & Quality AssuranceThis Motive Gear Differential Install Kit is backed by a 1 Year or 50,000 Mile Warranty. Motive Gear is a trusted industry leader, offering premium-quality components engineered for precise fit, ease of installation, and durability under demanding conditions.

• Complete differential gear install kit designed for GM 8.5" (10 bolt) rear differentials, covering applications from 1970-1998 on Buick, Chevrolet, Cadillac, GMC, Oldsmobile, and Pontiac vehicles.
• Includes essential components: brush, cover gasket (or RTV), crush sleeve (or preload shim pack), marking compound, pinion nut, pinion seal, ring gear bolts, shims (pinion, carrier), and thread locking compound for professional rebuilds.
• Compatible with a wide range of GM 8.5 differentials, ideal for rebuilds requiring a full installation kit, ensuring proper fit and long-lasting performance.
• Replaces popular competitor install kits including Ratech 110K, Richmond Gear 83-1021-B, and Yukon Gear and Axle MK GM8.5 / MK GM8.5-F, guaranteeing a quality alternative at a competitive price.
• Backed by a 1-year or 50,000-mile warranty from Motive Gear, a trusted brand in differential components known for durability, precision, and OEM-level quality standards.