COMP Cams 1.640 O.D. Spring Shims .635 I.D. .030 Thickness AA0700AF1T55 with parts from fuel and

with parts from fuel and exhaust systems to body fasteners and everything in-between

1983-1990 Chevrolet G10

The controller's high speed digital implementation ensures no loss of signal fidelity and full transient response

1974-1974 GMC G25/G2500 Van

8 Micron Synthetic Fiber

COMP Cams 1.640 O.D. Spring Shims .635 I.D. .030 Thickness AA0700AF1T55 with parts from fuel andEnsure the equal installed height of all of your valve springs with these 1. 640" outer diameter, . 030" thick, heat treated spring shims. Engine Valve Spring Shim Spring Shim, . 030 X 1. 640The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter