Aperture panel nut. Left. Right. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Aperture Panel. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Coolant Pipe. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Radiator Support Panel. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Radiator Support Side Panel. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Stone Guard. Bumper Impact Bar Nut. Fender Nut. Fender Support Nut. Radiator Support Tie Bar Nut. Included with: Center bracket, Front Support, Impact Bar, Rear bracket.