Comp Cams MAGNUM ROLLER ROCKER Performance ECU No drilling required - Uses

No drilling required - Uses existing factory attachment locations for a hassle-free install

or custom fabrication needed on your vehicle

The preferred choice of the pros

Fasteners are not included—you'll use what's already in place when you remove the old switch

Comp Cams MAGNUM ROLLER ROCKER Performance ECU No drilling required - UsesMagnum Roller Rocker Arms: Chevy; 3 8" Stud, 1. 6 Ratio Magnum Roller Rockers are the ultimate street rocker because they were designed with the serious performance enthusiast in mind. They will help your engine make more power and last longer. Specification: Ultimate street roller rocker arm designed for serious performance enthusiasts Constructed from 8620 chromemoly steel, a superior material that will not flex & ensures maximum lift Roller tip