Comp Cams .570 X .810 X 1.550 .040 Thick Id Seat Engine Rebuild Kits Carefully hook the metal hangers

Carefully hook the metal hangers of the curtain onto the identified pillars

Watch our step-by-step installation walkthrough

Stamped steel durability - Resists denting and flexing under minor impacts

but it requires tig welding and specific filler rod

Dry surface completely with microfiber cloth

Comp Cams .570 X .810 X 1.550 .040 Thick Id Seat Engine Rebuild Kits Carefully hook the metal hangersSpring I. D. Locators: . 040" Thick, . 570" I. D., 1. 550" 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