ULTSPEED ROLLER ROCKER ARMS fit Harley

-Forged from 4140 steel and CNC machined.

-Provide high quality performance with friction reducing and more power, minimizing the wear on the engines, with reliable lubrication for converting oil canal between pushrod seat and the roller

-Fits 1984-later Evolution® BigTwin & XL engines

-Fits1999-later Twin Cam®engines. 1.675 ratio.