It's a shame you aren't closer. Just started the regear from 4:10s to 4:88s got both stock axles for sale.
Found a donor D30 and a Ford 8.8 took them to Adams Driveshaft for the work. Front is done just odd and ends next weekend I tackle the rear.
There are a lot of folks who do this so keep an eye on you CL and see what you can find. For sale threads and part outs. If you are patient you might score some 4:10s.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184