(16) Ultra Pro Magnum Roller Rockers - Bolt Down - GM LS3/L99/L76/Rectangle Port Heads

New LS-Specific Ultra Pro Magnum™ Rocker Arms From COMP Cams Increase Ratio And Stiffness Over Stock Rockers, While Also Increasing Lift without The Need To Swap Cams. As LS engines continue to grow in popularity, COMP Cams has expanded its line of Rocker arms to build components specific to LS Applications.

• For LS3/L99/L76 - Rectangle Port Head LS Applications
• Full Set Of 16 Bolt Down Rockers - Includes Bolts
• 1.8:1 Ratio