Comp Cams 1.300" X .520" ID SPRING SEAT FOR GM LS1 Superwide-Mirrors aluminum gaskets can be re-seated

aluminum gaskets can be re-seated carefully if the sealing surface isn't damaged during removal

Designed specifically for the 2005–2007 STi

Preparation Note: As this is a fiberglass item

UV Clear Coat Protection - Premium surface coating prevents fading and ensures lasting brilliance

Comp Cams 1.300" X .520" ID SPRING SEAT FOR GM LS1 Superwide-Mirrors aluminum gaskets can be re-seatedSpring I. D. Locator: . 060" Thick, . 520" I. D., 1. 300" O. D. The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines. COMP Cams offers a simple but effective solution to this problem. These Valve Spring Locators provide a thin, hardened steel alloy seat that will not only protect the head and shim, but also locate and hold the spring in place. Previously, this part has been available only in a