Ensure the equal installed height of all of your valve springs with these 1.640" outer diameter, .060" thick, heat-treated spring shims.
Valve Spring Shim Kit - 1.640" OD, .650" ID .060" Thickness
Shim Kit 1.640" OD .650" ID .060" Thick
4752-16 - Spring Shim, .060 X 1.640
COMP Cams Spring Shim .060 X 1.640
Spring Shim, .060 X 1.640
Engine Valve Spring Shim
EngValve Spring Shim
None