Alignment cam nut. Left.2WD. Right.2WD. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Camber Adjustment Cam. Nut used to secure the Steering Tie Rod. S/ABS. Alignment Camber Adjusting Eccentric. Bushing lock. Lower Control arm. Outer castle. Steering. Included with: Outer Tie Rod.