Our TJ, LJ, MJ, XJ, and ZJ, front upper control arm bracket gusset is designed to reinforce the factory upper control arm bracket on your front Dana 30 or Dana 44.  The thin factory bracket has been known to bend even with only light off road use, this plate will weld inside the front of the existing upper control arm mount and to the axle tube.  You will receive one bare 1/4" steel reinforcement plate that will need to be welded to your axle.