COMP Cams 1.500 O.D. Spring Shims .645 I.D. .030 Thickness HS210020 These pumps were used on

These pumps were used on most Chevrolet applications with short and long water pumps until the early 1980's

375 in Reach Spring Included

Wrist Pin Diameter 0

7/8-20 in Dual Outlets

COMP Cams 1.500 O.D. Spring Shims .645 I.D. .030 Thickness HS210020 These pumps were used onEnsure the equal installed height of all of your valve springs with these 1. 500" outer diameter, . 030" thick, heat treated spring shims. Engine Valve Spring Shim Spring Shim, . 030 X 1. 500The 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