INSTALL KIT GM 8.6

The INSTALL KIT GM 8.6 from RATECH is designed for mechanics and automotive enthusiasts who are upgrading General Motors 8.6-inch rear differentials. This comprehensive kit provides high-performance bearings, seals, and internal components, making differential rebuilds straightforward and efficient. It eliminates the guesswork by including all necessary hardware and gaskets for a leak-free installation.

Engineered to support both stock and aftermarket gear ratios, the kit accommodates gear ratios from 3.42 to 4.56 without modification. It includes OEM-spec fasteners, crush sleeves, bearing shims, and gasket material that meet GM's original engineering tolerances. The precision-grade fasteners are plated to resist corrosion, and the gasket materials are formulated to maintain integrity across temperature extremes.

This kit is particularly beneficial for GM truck and SUV owners performing differential service, traction upgrades, or engine swaps that require a rear axle refresh. Compatibility extends across Chevrolet, GMC, and Cadillac platforms equipped with the 8.6-inch differential, making it an essential component for maintaining vehicle performance and reliability.