COMP Cams Magnum Roller Rockers are the ultimate street rocker. That’s because they were designed with the serious performance enthusiast in mind. They will help your engine make more power and last longer.
Magnum Roller Tip Rocker Arms are: STRONG Magnum Roller Rocker Arms are made from 8620 chromemoly steel. This makes them stronger than die cast aluminum or stamped steel rockers. This superior material, along with the Magnum’s super stiff design assures maximum lift because this rocker arm will not flex. ACCURATE You can’t get maximum horsepower from your engine if your rocker ratio is off. Comp Cams has checked other rockers and found rockers that were as much as .040” short on lift. The Magnum Rockers are super Accurate. They check dead on every time. POWERFUL The Magnum Roller Rockers can make between 15 and 30 horsepower over other rockers! Why? The secret is that not only does the roller tip reduce friction, the Magnum Rockers incredibly stiff design and super accurate ratios yield more effective valve lift. DURABLE The roller tip design reduces friction by not scrubbing the valve end or pushing the valve stem hard against the valve guide. This in conjunction with super strong design of the rocker makes for a simple, bulletproof, and cost effective combination.