7. The left and right lower control arms are identical, except for the sway bar mounting hole, which faces the front. When putting them on, insert the bushings, aim the ball joint up, and insert the pivot shaft with the endcaps in place. A liberal coating of antiseize compound will keep them from squeaking. A small Allen set screw in the center of the pivot tube holds the pivot shaft in place to prevent galling and is a backup to the pivot bolt end nut.