COMP Cams Magnum Roller Tip Rocker Arms Manifolds introducing valvetrain instability and inconsistent

introducing valvetrain instability and inconsistent valve timing events

and the calibration plug ensures you fill to the exact factory spec every time

typically gaining 15-25 horsepower at peak

000-mile durability under normal driving conditions with proper engine operation

this cover adds genuine cooling and strength benefits over the thin factory stamping

COMP Cams Magnum Roller Tip Rocker Arms Manifolds introducing valvetrain instability and inconsistentThe COMP Cams Magnum Roller Tip Rocker Arms are precision rocker arms from COMP Cams, engineered for consistent valve actuation at high RPM. These rocker arms convert camshaft lobe motion into precise valve opening and closing events with minimal friction and deflection, maintaining accurate ratio throughout the operating range. Part 82978 is configured for its specific application with attention to fitment requirements. COMP Cams rocker arms are