●This high-performance series aluminum rocker arm is made from high-strength 2024 aluminum extrusions with CNC machined.
●CNC ground trunnion with high-performance needle roller bearings for good rocker arm operation.
●Pushrod cups are heat treatment hardened and black oxide coated.
●Cr40 steel rollers and shafts are centerless ground.
16 X Poly locks
16 X Rocker arms