It can be done, but requires more $$ and work than it's worth.
There is no single kit made for this conversion AFAIK.
Axle shafts need to be changed. Hubs need to be changed (so you would loose the ABS sensors, thus loose ABS). Stock wheels center holes are not large enough, so they need to be changed too.
The ZJ does not have the vacuum setup (harnesses or tcase vac actuator) to operate the vac d/c those use.
That would require a different tcase (with the vac switch, for which there is no spot on ZJ tcases), and a LOT of vac lines routed around.
The tjs and later xjs never used a vacuum setup on the front axle. If you really want selectable hubs you are gonna have to swap to a non-jeep dana 44 or bigger from, say, an older chevy truck or a scout. Selectable hubs would be nice, but let's face it, it's not feasible on a jeep. it's the one thing jeep did to not make us have to get out and lock it to leave the road.
...Selectable hubs would be nice, but let's face it, it's not feasible on a jeep. it's the one thing jeep did to not make us have to get out and lock it to leave the road.
After you do a swap, you could always put on automatic locking hubs. I have them on my Scout, and they work great.
-Steve "Those who hammer their guns into plows, will plow for those who do not." -Thomas Jefferson
'98 ZJ Laredo 5.2 Selec-Trac (249 to 242 swap)
'05 KJ Limited 3.7 Selec-Trac
'94 ZJ Limited 5.2 Q-Trac- sold, after 17 years
'67 International Harvester Scout 800; 345ci V8,T18 4spd, Dana 20 TC
'06 Chrysler 300C SRT8 6.1L