Motive Gear GM8.5IKF Differential Gear Install Kit for GM 8.5" Front, Non-IFS, 10 Bolt, Fits 1977-1991 Chevrolet and GMC Trucks and SUVs, Replaces Ratech 110TK, Richmond Gear 83-1020-B

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Management number 212855606 Release Date 2026/04/12 List Price $25.47 Model Number 212855606
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Short Summary: The Motive Gear IK GM 8.5" Front Differential Gear Install Kit provides all essential components for a complete rebuild of GM 8.5" 10-bolt front differentials from 1977 to 1991. Designed for non-IFS applications, this kit ensures precise installation and long-lasting performance.Key FeaturesFitment: GM 8.5" Front, 10-Bolt, Non-IFSIncludes: Brush, cover gasket or RTV, crush sleeve or preload shim pack, marking compound, pinion nut and seal, ring gear bolts, pinion and carrier shims, thread locking compoundApplication: Differential gear install kit for precise bearing preload and gear setupCompatibility: Fits 1977-1991 Chevrolet & GMC trucks and SUVs with GM 8.5" front differentialReplacement Parts: Replaces Ratech 110TK and Richmond Gear 83-1020-BVehicle CompatibilityFits GM 8.5" 10-Bolt Front Differentials on the following models:Chevrolet1987–1991 Blazer1977–1986 K101977–1986 K201977–1986 K5 Blazer1987 V101987 V20GMC1977–1991 Jimmy1977–1978 K151979–1986 K15001977–1978 K251979–1986 K25001987 V15001987 V2500Replaces OEM & Aftermarket Part NumbersRatech: 110TKRichmond Gear: 83-1020-BWarranty & Quality AssuranceBacked by a 1-Year or 50,000-Mile Warranty, Motive Gear ensures reliability and premium quality. This install kit is engineered for professional-grade rebuilds, providing confidence and durability for your GM 8.5" front differential.

  • Complete differential install kit designed for GM 8.5" 10-Bolt front differentials from 1977 to 1991, non-IFS applications. Includes pinion nut, pinion seal, ring gear bolts, crush sleeve or preload shim pack, and essential shims for precision setup.
  • Kit contains marking compound, cover gasket or RTV sealant, and thread locking compound to ensure secure assembly and leak-free operation under demanding conditions.
  • Compatible with Chevrolet and GMC models including K10, K20, K5 Blazer, Blazer, GMC Jimmy, and V-series trucks between 1977-1991, providing an OEM-quality rebuild solution.
  • Replaces popular competitor parts Ratech 110TK and Richmond Gear 83-1020-B, making this kit an ideal direct replacement for accurate fit and function.
  • Backed by a 1-year or 50,000-mile warranty, Motive Gear provides reliability and peace of mind for your differential rebuild needs, trusted for quality and durability in automotive gear components.
Brand Motive Gear
Model GM8.5IKF
Exterior Machined
Item Weight 1.4 pounds
Manufacturer Motive Gear
OEM Part Number Ratech 110TK, Richmond Gear 83-1020-B
Item model number GM8.5IKF
Product Dimensions 11.25 x 12 x 2 inches
Manufacturer Part Number GM8.5IKF

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