COMP Cams ID Spring Seat 1.55 X 630 X 6 4783-1

COMP Cams Valve Springs, Retainers 4783-1 ID Spring Locator - 1.540" OD, .640" ID, .060" Thickness 4783-1 - ID Spring Seat, 1.55 X 630 X 6 90 COMP Cams ID Spring Seat 1.55 X 630 X 6