The COMP Cams locator cups provide a hardened steel alloy spring seat that protects the head and shim while locating and holding the spring in place. Built to handle high RPM and extreme spring pressures, the 4769-style cups have a 1.635" OD and .640" ID and are compatible with COMP Cams 901, 26956, 26957 and 26955 springs for secure, repeatable spring positioning.
COMP Cams Spring Seat Cups For 1.500in S