Click on Part Number for Dimensions and to Order


Severe Duty
Pinion Shims

Relocates the Pinion Shims From
the Gear to the Housing

No More Split Shims

Easier to Change a Gear at the Track

Chevy 12 Bolt Auto (Includes Special spacer) PN:1901
  12 Bolt Truck (Includes Special spacer) PN:1902
  7.5" (77-81) PN:1133
  8.2" (64-72) PN:1133
  8.5" PN:1134
  Corvette 63-79 (includes special spacer) PN:1903
Ford 7.5" PN:1134
  8.8" PN:1134
Chrysler 8.75" (742 Case) PN:1110


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