COMP Cams Valve Spring Locators - Inside, Steel, .060 "Thick, 1.550 "O.D., .630 "I.D., .730 "Spring I.D. - (Set of 16) BLOWER-PF-1X 400 lb/in Rate

400 lb/in Rate

1971-1972 Dodge Challenger

Tension springs and release pull tabs are used on adjusters for security and ease of use

XAM Heavy Duty Shank Series

Our lightweight support saves 8 pounds over the OE support

COMP Cams Valve Spring Locators - Inside, Steel, .060 "Thick, 1.550 "O.D., .630 "I.D., .730 "Spring I.D. - (Set of 16) BLOWER-PF-1X 400 lb/in RateMade from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4780 features a 1. 540" OD and a . 640" ID that works well with our 938, 953, 927 and 929 dual valve springs. Engine Valve Spring Seat ID Spring Seats, 1. 55 X 630 X 730The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP