prerunner out of a 93 isuzu pick up
 

I was wondering if you can swap the hubs from 6 to 5, if so what can i get them off of also the best rear end for my 2.6l. Its rwd, where would i get offroad parts for it i cant seem to find any ive seen pics of them but cant find out where to by them. I wanna try to make a trophy truck out of it but keep the bed. Sorry its my first truck im use to cars lol. O and i wanna keep it rwd