Not sure what transfer cases will line up with that off set rear axle. If you are willing to swap the rear axle, the dana 300 TC is a desireable replacement.
Whats wrong with the old one? Chain loosen up and is now jumping the gears, making a ratcheting noise?
<a href="http://www.jeepforum.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=001094" target="_blank">http://www.jeepforum.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=001094</a>
Take a look at this thread if you havent seen it already.
1982 cj7. Frame off. shell valley kevlar body, stainless hinges, Bestop seats and supertop, KC titanium lights, Homemade swing out tire carrier with spare front wheel bearings/hub, Built 304,DUI,Edelbrock shorty headers with dual stainless 21/2 tubes into incynerator cans 21/4 dumped out the back,Edelbrock 600cfm, performer intake and cam, Borgeson lower column, Centerforce clutch, NV-4500, Dana 300 w/custom built twin stick, Homade 1/4" steel skid plate, 2.5 soft ride w/ 1" shackle lift, 33x12.5 mtr's. Stainless fuel and brake lines, Braided hoses. more...