You also need to do something with the transfer case as the 203 case needs both axles engaged to work. You could swap to a 205 case but the adapter housing is different. After that you could also use everything off a mid 80's Chevy on the front axle housing, knuckles, spindles, stub shafts, hubs, rotors and brakes. The up side to that is you can still buy hubs for the Chevy stuff, the Dodge stuff not so much.