COMP Cams 1.640 O.D. Spring Shims .635 I.D. .015 Thickness H753C4454 Small Block Chevy 1986-97

Small Block Chevy 1986-97

Great for organizing ratcheting tie downs

Push-button calibration

Stock Cars-Modifieds-Imports-LeMons-Drag Sedans

COMP Cams 1.640 O.D. Spring Shims .635 I.D. .015 Thickness H753C4454 Small Block Chevy 1986-97Ensure the equal installed height of all of your valve springs with these 1. 640" outer diameter, . 015" thick, heat treated spring shims. Engine Valve Spring Shim Spring Shim, . 015 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