Pistons made are with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance. Optimized machining for lightness, as well as maintained strength in key areas such as crown and skirt wall cross section. Forged from aerospace grade aluminum alloy. Piston kits includes piston, rings, pin and clips. Kit Includes: Piston #8075D200. Ring Set #RSB6600. Wrist Pin #WP027. Retaining Clips #CW16.