Ultra Pro Magnum Rocker Kit with Studs and Guide Plates; GM LS1/LS2/LS6/4.8/5.3/6.0L

• 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.