5.Apply a light coating of grease to the sides of the new polyurethane bushings, then install the new Hotchkis lower trailing arms in place of the O.E.M. units. Be sure to install the trailing arms so that the two holes (arrow) in the arms face rearward, toward the back bumper. The two holes on each arm are used to mount a rear anti-roll bar, if you so desire. Tighten the new (supplied) Grade 8 bolts finger-tight--the bolts will be torqued to spec later.