Description

Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS1/LS6 w/ 3/8″ StudFor LS1/LS2/LS6/4.8L 5.3L and Pre ’07 6.0L Truck Engines – Cathedral Port Head LS ApplicationsSingle Stud Mount Rocker – Includes Poly Lock – Requires Hi-Tech Race Rocker Studs – GM Gen III/IV LS Engines. >3/8″ Studs. Guide Plates – GM LS Flat – 5/16″ Pushrod Diameter >1.8:1 Ratio 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.