For NP231 transfer case only. 20% Larger mainshaft over factory shaft. 4 inch shorter than stock.
The Tail Shaft Conversion kit for 5 Front/Rear lift height shortens the Transfer Case allowing for a 4 longer CV Style drive shaft, improves driveline alignment, reduces bind, friction and vibration. drive shaft sold separately. Fits NP231 Transfer Case Only. Will not fit NP207 in some models.