Never requires free-air calibration when used with an AEM Controller and connector plug
repeatable "click" settings
Available in swivel and non-swivel
Mini spools are precisely machined for proper fit and heat treated for durability
Lower center design adds engine oil pan clearance
COMP Cams Valve Spring Locators - Inside, Steel, .060 "Thick, 1.550 "O.D., .630 "I.D., .715 "Spring I.D. - (Set of 16) Helmet Blower Motor Never requires free-air calibration whenMade from hardened steel, these locators use a locating shoulder to center the seat and hold the spring. The 4782 has a 1. 540" OD and . 640" ID that works with our 950, 26956, 26957, 26955, 999, 954, 26097, 26115 and 933 dual valve springs. Engine Valve Spring Seat ID Spring Seats, 1. 55 X 630 X 715The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing