Allstar Performance Shock Shim - U-Shaped - 1/8 in Thick - Blue - 14 mm Shocks - Set of 25 Front Crankshaft Seal 1/2" Thick open spacer for

1/2" Thick open spacer for Holley 4150/4160

Shaft is steel

For Ford to GM applications

Modified Roofs

Full size ports at each end for optimal injector supply with a full 1/2 inside diameter bore for maximum fuel delivery

Allstar Performance Shock Shim - U-Shaped - 1/8 in Thick - Blue - 14 mm Shocks - Set of 25 Front Crankshaft Seal 1/2" Thick open spacer forDesigned for quick removal and installation into tight stacks and locations where twisting the shim into the stack is not an option or when the car is on the ground. Commonly used for fine tuning the suspension. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely