Ensure the equal installed height of all of your valve springs with this 1.640" outer diameter, .060" thick, heat-treated spring shim.
Valve Spring Shim - 1.640" OD, .650" ID .060" Thickness
Shim - 1.640" OD, .650" ID .060" Thick
4752-1 - 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