bolt w/cam. Left.4WD. Right.4WD. 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. Alignment Adjusting Eccentric Bolt. Lower Control arm Adjust Cam. Mount bracket Adjuster. Included with: Upper Control arm.