Comp Cams 015 X 1.640 Spring Shim Apoc Industries Bare Aluminum

Bare Aluminum

ensuring precise fitment and minimal clearance loss

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Comp Cams 015 X 1.640 Spring Shim Apoc Industries Bare AluminumSpring Shims: . 015" Thickness, 1. 640" O. D., . 635" I. D. These . 015" thick Valve Spring Shims with 1. 640" outside diameter and . 635" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock, these shims are heat treated to stand up to radical cam lobes. Kits are also available.