Shims

Precision Valve spring shims Valve Spring Shims are a facet of overall camshaft performance. Part of this performance is fitting the valve spring to its correct height so that it exerts the proper recommended pressure. Shims are .030” thick. Specify spring diameter, single or dual springs. Micro shim kits This is a precision shim kit for the mechanic who desires perfection in installing racing valve springs to a precise height. Each shim is made from tempered steel for maximum strength.

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