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NP / NVG 231 Slip-Yoke Eliminator Assemblies

Novak offers two popular Slip-Yoke Eliminators to best match the installer's situation:

Standard Slip-Yoke Eliminator Kit (image, middle): Best for Jeeps that don't require the maximum u-joint angle reduction, and 1991 and earlier Jeep NP231 transfer cases that feature a mechanical drive speedometer assembly.

Extreme Slip-Yoke Eliminator Kit (image, top): Best for Jeeps that require the maximum u-joint angle reduction, and 1992 and later Jeep NP231 transfer cases that feature an electronic speedometer, or earlier Jeeps that have an aftermarket electronic speedometer installed.

 

Jeep driveshaft vibration
The Extreme Short Shaft kit (top) will shorten the NV231 by 7" over factory setups.

The Standard Short Shaft kit (medium) will shorten the NV231 by 4" over factory setups.
Extreme Short Shaft Kit