COMP Cams 4873-16 ID Spring Locator Set of 16 - 1.300" OD, .520" ID, .060" Thickness
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Older standard shims will not hold up to the extreme spring pressures and high RPM found in today's engines. COMP Cams offers a simple but effective solution to this problem and a thin, hardened Steel alloy seat which will not only protect the head and shim but will also locate and hold the spring in place. Adding to an already extensive line of locators, COMP engineers have created ones specifically for LS Applications.
Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4873 features a 1.300" OD and a .520" ID.
Please review Specifications and the detailed fitment table for notes and exceptions.