For Small Block Ford applications, 3/8 inches stud; 1.7 ratio
Constructed from 8620 chrome moly 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 pounds open spring pressure
وصف
These Magnum roller rocker arms for Ford V8 289-351W (Rail Type) 1968-1989 applications are the ultimate street rocker. With a 3/8 inches stud diameter and 1.7 ratio, they are designed for serious performance enthusiasts. All Magnum roller rocker arms are constructed from 8620 chrome moly 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 value 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.
