Fits Ford Small Block Engines originally equipped with "Old" firing order and 351 Windsor engines with the "Windsor" firing orderThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development
380 lph at 90 psi
-inch and 3/16-inch Laser cut
1992-2009 GMC Yukon
COMP Cams Valve Spring Locators - Inside, Steel, .060 "Thick, 1.550 "O.D., .570 "I.D., .715 "Spring I.D. - (Set of 16) 36003BK Fits Ford Small Block EnginesMade from hardened steel, these locators use a shoulder to center the seat and hold the spring in place. The 4781 has a 1. 550" OD and a . 570" ID that works well with our 950, 954, 26955, 26956, 26957, 999, 26097, 929, 26115 and 933 springs Engine Valve Spring Seat ID Spring Seats, 1. 55 X 570 X 715The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing