The pivot shafts have zirc fittings to allow greasing of the pivot bushings. They are mounted to the camber adjustment frames at an angle to counteract brake dive forces. (The left and right units are different.) The rods slide fore and aft in the clamps to adjust caster. The ball joints are angled to be in the middle of their travel at static ride height. This means the arms point pretty high up at static ride height, so their positions in the camber response curve allow them to generate negative camber in compression (outside of a turn) and positive camber on expansion (inside of a turn).