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Ultra Pro Magnum 1.8 Ratio Adjustable Rocker Arm Kit for GM LS1/LS6; Convert your LS1 engine to an adjustable valvetrain with the Ultra Pro Magnum Rocker Kit. Our kit includes 1.8 Ultra Pro Magnum Rockers, guideplates, 3/8" studs, adjusting nuts and set screws for a complete adjustable valvetrain solution.

Ultra Pro Magnum 1.8 Ratio Rocker Arm Set of 8 for GM LS3 w/ 3/8" Stud; 3/8" Stud, 1.8 Ratio

Ultra Pro Magnum 1.8 Ratio Rocker Arm for GM LS3 w/ 3/8" Stud; This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, this rocker fits LS3 with a 3/8" diameter stud.

Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for GM LS3 w/ 3/8" Stud; These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, these rockers fit LS3 with a 3/8" diameter stud.

Ultra Pro Magnum 1.8 Ratio Adjustable Rocker Arm Kit for GM LS3; Convert your LS3 engine to an adjustable valvetrain with the Ultra Pro Magnum Rocker Kit. Our kit includes 1.8 Ultra Pro Magnum Rockers, guideplates, 3/8" studs, adjusting nuts and set screws for a complete adjustable valvetrain solution.

Ultra Pro Magnum 1.8 Ratio Rocker Arm Set of 8 for GM LS3 w/ 3/8" Stud; 3/8" Stud, 1.8 Ratio

Ultra Pro Magnum 1.8 Ratio Rocker Arm for Pedestal Mount GM LS1/LS2/LS6; This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, this rocker fits non-adjustable pedestal mount LS1/2/6.

Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS1/LS2/LS6; These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, these rockers fit non-adjustable pedestal mount LS1/2/6.

Ultra Pro Magnum 1.8 Ratio Rocker Arm for Pedestal Mount GM LS3; This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, this rocker fits non-adjustable pedestal mount LS3.

Ultra Pro Magnum 1.8 Ratio Rocker Arm Set for Pedestal Mount GM LS3; These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, these rockers fit non-adjustable pedestal mount LS3.

Ultra Pro Magnum Rocker Arm w/ 1.52 Ratio for Chevrolet V6 and SBC w/ 3/8" Stud; This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, this rocker fits Chevrolet Small Block and V6 with a 3/8" diameter stud.

Ultra Pro Magnum Rocker Arm Set w/ 1.52 Ratio for Chevrolet V6 w/ 3/8" Stud; These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.52 ratio, these rockers fit Chevrolet V6 with a 3/8" diameter stud.