COMP Cams Ultra Pro Magnum Chromoly / Steel Roller Rocker Arm - 3/8 in Stud Mount - 1.80 Ratio - GM LS-Series BR10041 Cadillac / Chevrolet / Buick

Cadillac / Chevrolet / Buick / GMC 2002-2017

1955-1959 GMC S370

120 lb/in Spring Rate

The articulating collar rises in an impact to create the optimum tether angle

it will guide the operator through the diagnosis to identify which part of the circuit is causing the excessive voltage drop

COMP Cams Ultra Pro Magnum Chromoly / Steel Roller Rocker Arm - 3/8 in Stud Mount - 1.80 Ratio - GM LS-Series BR10041 Cadillac / Chevrolet / BuickConvert 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. COMP Cams Ultra Pro Magnum Roller Rocker Arm Kit, 1. 8 Ratio, 3 8" Stud Diameter, LS1 LS6 Product Description: Rocker Arm Ultra Pro Magnum 3 8 in Stud Mount 1. 80 Ratio Full Roller Chromoly Steel GM LS Series For 30