Antenna nut. W/ROOF MOUNTED ANTENNA. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Instrument Panel Crossmember. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Radio Antenna. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Roof Panel. A threaded rod with a drive head on one end used to secure the Instrument Panel Air Bag Inflator Module to its mounting point. Radio Antenna Base Nut. Spare Tire Hoist Nut. and Washer -. Instrument Panel Air Bag Bolt. Instrument Panel Crossmember. Psngr Air Bag. Radio Antenna Base. Radio Antenna Mast. Roof Panel. Spare carrier. Spare Tire Hoist. Winch.