COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy 40074R or 10 Series IgnitionSupplied with

or 10 Series IgnitionSupplied with Cap-A-Dapt distributor cap and rotorSteel shaft is QPQ coated and guided by a sealed ball bearingCNC machined billet aluminum housing and billet aluminum baseMechanical advance assembly can be locked out for crank trigger systemsNylon pads ensure smooth operation of the advance weightsAdvance weight pins are staked and tig welded to the plateAdvance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionEasy-to-adjust mechanical advance with supplied springs and stop bushings

Rectangle to Cathedral Port

REM® Finish all Bearings & Races for less friction and drag

875 In Long

Whiteline's adjustable lower control arms are made from tubular DOM steel with Forged Rod Ends for optimal strength and feature our MAX-C Bushings

COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy 40074R or 10 Series IgnitionSupplied withThese Magnum Roller Rocker Arms for Big Block Chevy 396 454 applications are the ultimate street rocker. With a 7 16" stud diameter and 1. 72 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective