COMP Cams ID Spring Seat 1.55 X 570 X 7 4778-1

COMP Cams Valve Springs, Retainers 4778-1 ID Spring Locator - 1.550" OD, .570" ID, .060" Thickness 4778-1 - ID Spring Seat, 1.55 X 570 X 7 30 COMP Cams ID Spring Seat 1.55 X 570 X 7