SKU: RAT302K
MPN: 302K
The RATECH Chrysler 8.75-inch Bearing Kit (part number 302K) is a complete differential installation kit engineered for 8.75-inch Mopar differentials with 489 casting. This comprehensive bearing kit supplies everything required for proper differential assembly and setup: precision bearings, crush sleeve, gaskets, seals, shims, marking compound, and all necessary fasteners. Designed for builders and technicians who demand accurate, repeatable differential installations, this kit eliminates the need to source components individually and ensures compatibility across all critical bearing and seal interfaces.
Proper bearing preload and alignment are critical to differential longevity and performance. The included crush sleeve and shims allow technicians to dial in exact bearing preload specifications, which directly impacts ring-and-pinion mesh geometry and load distribution under acceleration and braking. The marking compound enables visual confirmation of gear contact patterns, essential for diagnosing any setup issues before final assembly. All gaskets and seals included meet OEM specifications for the 489 casting, ensuring leak-free operation across street, strip, and off-road duty.
This kit serves Chrysler 8.75-inch differential rebuilders, restoration specialists, high-performance builders, and off-road enthusiasts performing complete differential overhauls. Whether rebuilding an original differential for a classic Mopar muscle car, setting up a performance street machine, or restoring a vintage truck, having all components in one kit streamlines the process and reduces the risk of compatibility errors. The 8.75-inch differential is widely used across Dodge, Plymouth, and Chrysler applications from the 1960s through 2000s, making this kit relevant for a broad range of restoration and performance projects.
Weighing 6.14 lbs and measuring 6.9 x 3.7 x 6.9 inches, this kit provides substantial component density in a manageable package. RATECH is recognized within the differential rebuild community for precision bearing kits and installation components that support both stock and performance applications. Having a dedicated bearing kit on hand ensures that differential service can proceed without delay when bearings require replacement or when original components are worn beyond specification.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
