Allstar Performance 14mm Shock Shim Deluxe Kit K9005 These cylinder heads do not

These cylinder heads do not require offset rockers of any kind

Don’t let the small package fool you

good looking and it supports high horsepower

1975-1977 GMC P25

Allstar Performance 14mm Shock Shim Deluxe Kit K9005 These cylinder heads do notUniquely designed shock shims are placed directly onto the shock shaft to simplify fine tuning of the chassis without disassembling the shock or even removing the shock from the chassis. Kits include a variety of shim designs and sizes for convenient tuning and set up. 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.