COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy 40074R Quick Turn Springs 1-3/8" x

Quick Turn Springs 1-3/8" x

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

dual band antenna

630 in Round Port

COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy 40074R Quick Turn Springs 1-3/8" xThese 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