COMP Cams is the first to introduce a truly universal fuel pump pushrod for small- and big-block Chevy engines. This new fuel pump pushrod utilizes the same technology surrounding the popular new DLC-Coated Flat Tappet lifters from COMP. The DLC-Coated Fuel Pump Pushrod is compatible with ALL types of camshaft material, including cast iron, austempered iron, steel, and tool steel cores. Gone are the days of needing a bronze-tipped fuel pump pushrod with a steel roller camshaft. The DLC coating on each end of the pushrod not only reduces friction but adds incredible toughness and durability.