COMP Cams 1.437 O.D. Spring Shims .645 I.D. .015 Thickness Collectables There are no gear teeth

There are no gear teeth on the dog ring to engage with other gears

1975-1995 Ford E-250 Econoline

3 in ID Springs

2021 Ram 3500 Limited Longhorn GAS Mega Cab Pickup

1975-1979 Chevrolet K10

COMP Cams 1.437 O.D. Spring Shims .645 I.D. .015 Thickness Collectables There are no gear teethEnsure the equal installed height of all of your valve springs with these 1. 437" outer diameter, . 015" thick, heat treated spring shims. Engine Valve Spring Shim Spring Shim, . 015 X 1. 437The 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