Pac Racing Springs Spring Seats .570 ID (1pk) for RPM Duals PACPAC-S135-1

Valve Spring Locator - Inside - 0.060 in Thick - 1.270 in OD - 0.570 in ID - 0.680 in Spring ID - Chromoly - Each

Engines and Components, Camshafts and Valvetrain, Valve Spring Locators by PAC RACING SPRINGS