COMP Cams 1418-8 Magnum Self-Aligning Rocker Arm with 1.6 Ratio and 3/8" Stud Diameter for Chevy Small Block Engine, (Set of 8)

These Magnum Roller Self-Aligning Rocker Arms for Late Model Small Block Chevy 305-350 applications are the ultimate street rocker. With a 3/8 inch stud diameter and 1.6 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 lbs. 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.

• For Small Block chevy Late Model applications, 3/8 inch stud, 1.6 ratio
• 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
• Made from 8620 chromemoly steel that will not flex