No longer a custom order piece, pushrods with a 0.165? wall thickness are now available. These extremely durable 7/16? diameter pushrods are double tapered and capped with 5/16? semi-spherical ball ends machined to 210? to ensure ample clearance. Made from chrome moly tubes and case-hardened to Rockwell Rc60 through multiple heat treatments, these heavy duty pushrods are for those racers who are going to extremes and are popular with Late Model dirt and drag racers