Alignment cam bolt. Left.2WD. Right.2WD. A circular device that has an offset hole to alow for adjustment of Alignment. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Camber Adjustment Cam to a mounting point. Cam Bolt. ber Adjusting Eccentric. /SCREW. Lower Control arm. Upper Control arm adjust.