Synergy 8200 - Jeep XJ 4-Link Long Travel System - Manual (Page 10)

At this point, carpet and seats can be reinstalled into the vehicle as all drilling into the passenger compartment is
finished at this point.
9) Once the control arm brackets are installed, install the lower control arms (PPM-8231) into the vehicle.
Note, the Johnny joint bolts to the chassis, and the bushing side attaches to the axle. See picture for
bend reference orientation.
Arms bend out towards wheels and are bent up for additional ground clearance.