COMP Cams HEMI pushrod sets are a continuation of the Hi - Tech Pushrod line. These pushrods sets are engineered to provide optimal preload for specific late - model HEMI applications when using performance camshafts. Like all COMP Cams Hi - Tech Pushrods, these are a one - piece construction from .080 wall chromemoly tubing and are cryo - treated for extended durability. In addition, they feature precision formed and reinforced ball type ends, and the whole pushrod is black oxide finished and laser etched. COMP Cams Hi - Tech Pushrod Sets are available for the 2003 - 08 5.7L, 2005 - 10 6.1L and 2009 - Current 5.7L6.4L HEMI applications.