COMP Cams 1414-12 - Magnum Roller Rockers, CS 1.6 10MM

COMP Cams Magnum Roller Rocker Arms, 1.6 ratio, 10mm Stud Diameter for 173 V6 Chevy, Set of 12 These Magnum Roller Rocker Arms for Chevy 173 V6 applications are the ultimate street rocker. With a 10mm 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 V6 Chevy applications, 10mm 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