Made from hardened steel, this locator uses an inboard locating shoulder to center the seat and hold the spring in place. The 4778 features a 1.550" OD and a .570" ID that works well with our 938 and 927 dual valve springs.
ID Spring Locator - 1.550" OD, .570" ID, .060" Thickness
4778-1 - ID Spring Seat, 1.55 X 570 X 7 30
ID Locator 1.550" OD .570" ID .060 Thick
COMP Cams ID Spring Seat 1.55 X 570 X 7
ID Spring Seat, 1.55 X 570 X 7 30
Engine Valve Spring Seat
EngValve Spring Seat
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