Comp Cams Valve Spring Shims 100 - 1.640" Od, .635" Id .015" Thick - 4740-100

Comp Cams Valve Spring Shims 100 - 1.640" Od, .635" Id .015" Thick - 4740-100

COMP Cams 4740-100 Valve Spring Shims 100 - 1.640" OD, .635" ID .015" Thick

COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available. The shims are heat-treated to withstand radical camshaft lobe profiles, and are a great way to equalize the installed height of valve springs.