Description
Proper differential setup is critical for consistent performance and longevity, especially in high-stress racing applications. This comprehensive shim kit gives you the precision adjustment needed to dial in pinion depth and preload on GM 8.5-inch 10-bolt differentials—ensuring optimal gear mesh, reduced backlash, and reliable power transfer. Whether you’re rebuilding after a track day or setting up a fresh differential, having quality shims on hand eliminates guesswork and potential comebacks.
- Differential shims
- Pinion retainer preload shims
- Bolts and fasteners
- Crush sleeve included
- Pinion nut included
- 8.5-inch diameter
- GM 10-bolt housing
- 1970–1998 fitment
- Complete rebuild kit
- Allstar Performance MPN ALL68621
