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ADDED TO YOUR CART!
Renew your 8.5” GM posi rear end with this supplemental rebuild kit from OPGI. Manufactured in the USA and designed for a variety of differential applications, the complete kit features all new components to extend the life of your diff while providing superior performance. Kit includes: - 300lb Preload “S” Spring (1) - Cross Pin (1) - Cross Pin Bolt (1) - Thrust Washers (2) - C-Clips (2) - GM Limited Slip Additive (1) For use on Posi Units featuring the following casting numbers: 410408, 410409, 671, 672, 673, 725, 726 and 588.
Mother's Day Sale!