Just swap in the rear Axle I just did it on a buddys YJ.
1 Cut off spring pads
2 get 2 1/2" new spring pads
3 get new Ubolts,shock mounts
4 set it up in the Jeep
5 use a magnetic degree finder
6 check for binding
7 tack weld spring pads and New shock mounts
8 remove axle arch weld a little at...