Where would the hard-core off-road community be without the auxiliary transmission known as a transfer case? Probably buried axle deep in sand or mud, that's where. And, what about rockcrawling? Ha!
Blowing a rear driveshaft on a stock Jeep is fairly common and can ruin your wheeling weekend. The slip-yoke design on most NP231 transfer cases means that once you remove the driveshaft slip yoke out ...