The latest development in Rocker arm Technology from COMP Cams are Ultra Pro Magnum Rocker Arms built for 1/2" Studs to increase valve train stiffness and stability. Designed to be used in conjunction with the COMP Cams Hi-Tech 1/2" Rocker Stud Kit the latest versions of COMP Cams Ultra Pro Magnum Rockers are built to utilize 1/2" Studs to stabilize BBC valve trains. Ultra Pro Magnum Roller Rocker Arms feature a modern arched web-like design to deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. The Rockers also boast precision-sorted needle bearings and hardened Roller tips. And since they now feature the added benefit of accepting 1/2" Studs they are a great choice for anyone looking for more stiffness with Stud mount Rockers. These new Ultra Pro Magnum Rocker Arms will provide the ultimate in valve train stability for maximum valve motion both at the track and on the street.

• 1/2" Studs provide a stiffer valve train to achieve maximum valve motion in BBC engines


• Deliver increased strength and rigidity while reducing the moment of inertia and optimizing dynamic balance