Eaton GM 8.5in Rear Master Install Kit

Differential install kits supply all the hardware required to correctly set up a new ring-and-pinion gear set during a re-gear, including pinion bearings, carrier shims, pinion seal, crush sleeve, marking compound, and ring gear bolts. Buying a matched install kit ensures proper gear mesh, preload, and backlash settings that are critical to differential longevity and noise-free operation.Popular Differential Install Kit ApplicationsInstall kits are available for nearly every popular axle including Dana 30, Dana 44, Dana 60, GM 7.5-inch, GM 8.5-inch, GM 10.5-inch, Ford 8.8-inch, Ford 9-inch, and Chrysler 8.25-inch and 9.25-inch differentials. Yukon Gear, Motive Gear, and Richmond Gear are common brands trusted by professional builders for accurate preload specs.Do I need a master install kit or a standard install kit?A standard install kit covers the basic bearings, seal, shims, and hardware needed for most re-gears. A master install kit adds carrier bearings and races, making it the...

Shop differentials and components at Black Ops Auto Works for premium differentials, differential covers, differential gears, locker differentials, limited-slip differentials, install kits, rebuild kits, bushings, seals, yokes, spider gears, and final drive components for cars, trucks, SUVs, and off-road builds. Whether you are upgrading for better traction, stronger power delivery, improved durability, or drivetrain reliability, this collection includes the parts needed for street, towing, racing, and off-road applications. Shop Differentials & Components by Category Browse drivetrain and axle upgrades across popular product categories, including: Differentials Differential covers Differential cover gaskets Differential rebuild kits Differential install kits Differential overhaul kits Differential seal kits Differential bushings Differential mounts Differential braces Differential housings Differential dropouts Differential spider gears Differential yokes Final drive gears Wh...

Shop drivetrain parts and accessories at Black Ops Auto Works for differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, differential bushings, wheel hubs, wheel bearings, U-joints, valve bodies, transmission coolers, drivetrain mounts, and performance driveline upgrades. This collection is built for street cars, drag cars, track builds, trucks, Jeeps, SUVs, high-horsepower Mopar builds, imports, European performance vehicles, and off-road applications that need stronger power delivery, durability, and reliability. Use this Drivetrain collection to find the right upgrade by vehicle platform, drivetrain layout, transmission type, power level, and product category. Differentials and ring and pinion gears support traction and gearing changes, axles and driveshafts help transfer power, clutch kits and flywheels improve manual transmission performance, transmission coolers and valve bodies supp...

Eaton Performance is best known in the automotive aftermarket for its Eaton M90, M112, and M122 positive displacement supercharger roots-type blowers that power factory applications including the Ford Lightning, Mustang Cobra, Pontiac GTO, and Cadillac CTS-V as original equipment, which means the same engineering behind factory horsepower numbers reaches the enthusiast market directly through Eaton's performance division. The brand also produces Detroit Locker and Truetrac limited-slip and locking differentials that are among the most trusted traction management solutions for off-road, racing, and street-performance applications. Eaton's position as both an OEM supplier and a performance aftermarket brand gives its products an unusual combination of engineering rigor and enthusiast credibility. Builders who want proven, race-tested traction and boost solutions choose Eaton because the products have been validated at OEM production volumes before reaching aftermarket shelves.Popular ...