1.535 Spring Cups - .570 ID Valve Spring Locator - Inside - 0.062 in Thick - 1.535 in OD - 0.570 in ID - 0.720 in Spring ID - Steel - Black Oxide - Set of 16

Spring Seats .570 ID (16) For RPM Duals Valve Spring Locator - Inside - 0.060 in Thick - 1.270 in OD - 0.570 in ID - 0.680 in Spring ID - Chromoly - Set of 16

Valve Spring Cup - 0.570 ID Valve Spring Locator - Inside - 0.062 in Thick - 1.570 in OD - 0.570 in ID - 0.850 in ID Spring - Steel - Set of 16

Bump Spring Cup 1.63in ID x .625in Shaft Bump Spring Cap - 1.630 in ID Spring - 0.625 in Shaft - Aluminum - Black Anodized - Pair

Bump Spring Cup 1.63in ID x .500in Shaft Bump Spring Cap - 1.630 in ID Spring - 0.500 in Shaft - Aluminum - Black Anodized - Pair

Valve Spring Cups- 1.550 x 1.680 OD x .577 ID Valve Spring Locator - Outside - 0.060 in Thick - 1.680 in OD - 0.577 in ID - 1.550 in Spring OD - Steel - Black Oxide - Set of 16