(5) aluminum assorted spring perch shims for conventional spring cars.  Takes a 5 1/2 to 5 3/4 diameter front spring.  Used to alter the spring angle in the suspension bucket with the spring Helixes.   Bolt pattern based on 4 7/8" centers.  Features (2) 1 degree, (1) 3 degree, (1) 4 degree, and (1) 5 degree.  Nice pieces. 

See other accessories in our store:  Used Race Parts Supply.