Manley valve spring shims are available in a wide variety of thicknesses. They are high-quality valve spring shims are heat-treated to resist wear.

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COMP Cams Valve Spring Shim, Steel, Hardened, 1.500 in. OD, .645 in. ID .015 in. Thick, Each

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Crow Cams 1.480"x.7"x.015" HARD SHIM

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