Left. Right. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Headlamp Cap to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Headlamp Control Module to a mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the High Intensity Light Ballast to a mounting point. HeadLight Mounting Bolt. HeadLight Bulb Cap. HeadLight Mounting. High Intensity Discharge (HID) HeadLight Control Module. High Intensity Discharge (HID) Lighting Ballast. LED unit screw. Outer Cap screw. Power regulator. SEC. S. Included with: Headlamp assembly.