For LS1/LS2/LS6/4.8L 5.3L and Pre '07 6.0L Truck Engines and Other Cathedral-Port Head Equipped LS Applications. Includes Full Set of (16) Stud-Mount Rockers (with Poly Locks) 3/8" Studs and Raised Guide Plates for 5/16" Pushrods. Increase Strength Over Stock While Increasing Lift without Swapping Cams.
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