Allstar Performance SB Chevy Crankshaft Pulley Shim Kit H753C2456 ALL17120 has a long shoulder

ALL17120 has a long shoulder and will work with Allstar coil-over brackets

Red in color

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095" wall mild steel tubing attaches to roll cage

73-88 Monte Carlo

Allstar Performance SB Chevy Crankshaft Pulley Shim Kit H753C2456 ALL17120 has a long shoulderUse shim kits to properly align pulleys. Water pump shims have dual bolt hole pattern to fit most GM and Ford water pumps. Crank pulley spacers are for small block Chevys. 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 on the quality, affordable and practical