High Quality Construction Dyno Proven 20 Horsepower Gains Reduce Valve Stem & Guide Wear As a result, these rocker arms have been dyno-tested to produce 15-20 horsepower increases, making valve stems and guides last longer. Magnum…
High Quality Construction Dyno Proven 15-30 Horsepower Gains Reduces Valve Stem & Guide Wear 8620 Chromemoly Steel For Reduced Wear & Non-Flex Roller Tip For Reduced Friction 1:52 Ratio Self Aligning Style Arms Used For Press In…
High Quality Construction Dyno Proven 15-30 Horsepower Gains Reduces Valve Stem & Guide Wear 8620 Chromemoly Steel For Reduced Wear & Non-Flex Roller Tip For Reduced Friction 1:52 Ratio Self Aligning Style Arms Used For Press In…
High Quality Construction Dyno Proven 20 Horsepower Gains Reduces Valve Stem & Guide Wear Made From 8620 Chromemoly Steel That Will Not Flex 1:52 Ratio Used On Cylinder Heads With Screw-In Studs & Guide Plates Only Fits 1955-1985…
High Quality Construction Dyno Proven 20 Horsepower Gains Reduce Valve Stem & Guide Wear Fits 65-74 Big Block As a result, these rocker arms have been dyno-tested to produce 15-20 horsepower increases, making valve stems and guides…
High Quality Construction Dyno Proven 20 Horsepower Gains Reduces Valve Stem & Guide Wear Made From 8620 Chromemoly Steel That Will Not Flex 1:52 Ratio Used On Cylinder Heads With Screw-In Studs & Guide Plates Only Fits 1955-1985…