APPLICATIONS:CHEVROLET 173-207ci (2.8L-3.4L) 60¡ 6 Cylinder; '79-'94ForÊ10mm Studs / 1.52:1 RatioMAGNUM Roller Rocker ArmsMagnum Roller Rockers are the ultimate street rocker because they were designed with the serious performance enthusiast in mind. They will help your engine make more power and last longer. Ultimate street roller rocker arm designed for serious performance enthusiastsConstructed from 8620 chromemoly steel, a superior material that will not flexÊ& ensures maximum liftRoller tip reduces friction while stiff design & superior ratio accuracy yield more effective valve liftFor applications w/ less than 350 lbs. of open spring pressure
ALSO AVAILABLE IN A ROCKER/PUSHROD KIT:Rockers & High Energy Pushrodª