Roller Rocker Arms SBC Aluminum 1.6 3/8

Description

These factory new aluminum “Performance ” Rocker Arm Sets come with 3/8″ poly locks
These Sets are Factory Boxed, NEW, Complete anodized Sets with Locks!!
These are CNC machined, extruded 6061 T6 Aluminum roller rockers, they have a fulcrum and roller tip to eliminate friction, which in turn equals more horsepower and longer valve train component life. These rockers have trunions and roller tips which “free up” the rockers and could add as much as 25 more horsepower. They will fit all small block & big block Chevy motors. They DO NOT FIT Center Bolt valve cover applications. They come with the matching poly locks to lock them firmly in place. Don’t miss out on these great rockers……a beauty of a set at an unbelievable price.

Clearanced for use with up to 1.605″ springs, Tensil strength over 60,000 psi, body design withstands up to 750psi Valve Spring Loads,
Works in excess of 7,500 RPM.