COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy / GM V6 MT-KRX-MM-RDM By reducing balance bar tipping

By reducing balance bar tipping brake repeatability is improved

the Sprint Booster is in Race Mode

The die-cast design also provides increased thermal conductivity and heat dissipation to insure long bulb life

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COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy / GM V6 MT-KRX-MM-RDM By reducing balance bar tippingThese Magnum Roller Rocker Arms for Small Block Chevy 265 400 applications are the ultimate street rocker. With a 3 8" stud diameter and 1. 6 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