COMP Cams ID Spring Seat 1.55 X 630 X 7 - 4780-1

Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4780 features a 1.540" OD and a .640" ID that works well with our 938, 953, 927 and 929 dual valve springs.
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