I have a XJ 44 with superior 33 splne super 44 shafts, 33spline OX Locker, Disck brakes, dual bolt pattern 5 on 5.5 and 5 on 4.5 calipers have built in e-brakes. 4.56 gears and new bearings. The axle also has a Rockkrawler axle truss for four link set up. I can removed if not wanted.