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COMP Cams ID spring locator seats use a hardened-steel inboard locating shoulder to center and secure valve springs while protecting the head and shim under extreme spring pressures and high RPM. Intended as an alternative to cup-style retainers that required heavy head machining, the 4869 size is specified with a 1.350" OD and a 0.515" ID for reliable seating in performance valve-train builds.
COMP Cams ID Spring Seat 1.350 X 515 X
