The COMP Cams Magnum Roller Rocker Arm is engineered for high-performance street applications on Chevrolet V8 265-400 and V6 200-262 engines. Crafted from durable 8620 chromemoly steel, this rocker arm is designed to withstand demanding conditions without flexing, ensuring maximum valve lift and consistent performance. The roller tip reduces friction, contributing to smoother operation and enhanced efficiency. With a 1.6 ratio and a 3/8" stud diameter, it provides increased horsepower output, typically delivering an additional 15 to 30 horsepower compared to standard rockers. Its robust construction makes it suitable for engines with up to 350 lbs of open spring pressure, making it ideal for enthusiasts seeking reliable power gains without compromising durability.






