Competition Cams 1418-12 Magnum Roller Rocker Arms

COMP Cams Magnum Self-Aligning Rocker Arms, 1.6 Ratio, 3/8" Stud Diameter for Late Model V6 Chevy, Set of 12. 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" 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.Ultimate street roller rocker arm designed for serious performance enthusiasts Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift For applications with less than 350 lbs. of open spring pressure