Combo lamp assy bolt. Left.ON BODY. Right.ON BODY. A Screw that is used to secure the High Intensity Light Ballast to its mounting point. A Screw that is used to secure the Tail Lamp Cover to it's mounting point. A Screw that is used to secure the Tail Lamp Housing to it's mounting point. A Screw that is used to secure the Tail Light Bulb Socket to it's mounting point. Tail Light Bolt. Cover. Housing. Combo Lamp Assembly Bolt. High Intensity Discharge (HID) ing Ballast. Socket plate. Trim. Included with: Combo Lamp Assembly, HeadLamp Assembly, Tail Lamp Assembly.