Ultra Pro Magnum Rocker Kit with Studs and Guide Plates; GM LS3/L99/L76/Rectangle-Port Heads

Increase Strength Over Stock, While Increasing Lift without Swapping Cams.

• For LS3/L99/L76 and Other Rectangle-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*
• The above image does not show a complete set of Rockers, poly-locks, Studs, or guide plates