BTR .625 Lift Beehive Valve Spring Kit - .045 Thick Locators - BTR-SK018

BTR .625-inch maximum-lift beehive spring kit for Gen III/IV LS engines with .045-inch spring locators. Includes 16 SP018-1 valve springs, a valve seal set, and spring locators. Designed for compatible camshafts below .625-inch lift; not for use with OEM hat-style valve seals. Confirm spring height and valvetrain compatibility.