Eliminate drive line vibrations and increase strength of your NP231 with RT Off-Road's Slip Yoke Eliminator Kit. Each kit includes a replacement output housing, heavy duty main shaft, rear output yoke designed for a double-cardan drive shaft and all necessary hardware. The installation can be performed with the transfer case in or out of the vehicle with basic hand tools. Engineered to function with the factory speedometer sensor/cable and vacuum shift sensor.
- Fits all Jeep NP231 transfer cases; 1-3/8″ 32-spline main shaft and yoke; converts factory rear slip yoke to a CV style output; Includes installation instructions.
- Fits:
- Jeep Wrangler (YJ) (1987-1995) w/ NP231 Transfer Case.
- Jeep Wrangler (TJ) (1997-2006) w/ NP231 Transfer Case.
- Jeep Cherokee (XJ) (1987-2001) w/ NP231 Transfer Case.
- Jeep Comanche (MJ) (1987-1992) w/ NP231 Transfer Case.
CA Residents: 
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Installation Instructions Link: http://www.crownautomotive.net/assets/install/rt-offroad/RT24005-Instructions.pdf