Competition Cams 1452-16 Magnum Roller 1.65 ratio, 7/16" Stud Diameter Rocker Arm for Pontiac V8 7/16" Stud 1.65 Ratio

• Ultimate street rocker designed for serious performance enthusiasts
• Constructed from 8620 chromemoly steel, a superior material that will not flex and assures maximum lift
• Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift
• 15 to 30 horsepower increase over stock rocker arms
• Use in any applications with less than 350 lbs. open spring pressure

These Magnum Roller Rocker Arms for Pontiac V8 265-455 applications are the ultimate street rocker. With a 7/16 inch stud diameter and 1.65 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 pounds. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.