TeraFlex TJ/YJ: NP231 Transfer Case Short Shaft Kit. The TeraFlex TJ / YJ: NP231 Short Shaft Kit increases the length of the rear drive shaft by 4", eliminating the need for a transmission lowering kit in many cases. The kit also includes a larger output bearing and rear housing for improved performance.
Main Features- Increases rear driveshaft length by 4 inches.
- Thickly eliminates the need for a transmission lowering kit.
- Includes larger output bearing and rear casing for improved performance.
- Vehicle compatibility: TJ Wrangler (short wheelbase), LJ Wrangler Unlimited (long wheelbase), YJ Wrangler, XJ Cherokee.
- Requires the use of a CV (dual cardan) type driveshaft.
- It only fits NP231-J transmissions.
This kit includes the short drive shaft, an oversized output bearing, and a rear housing for the NP231 transfer case. These components are designed to optimize the length of the rear driveshaft, improving the geometry of the transmission and reducing vibration, while providing increased strength for off-road use.
InstallationInstallation of the NP231 Transfer Case Short Shaft Kit requires mechanical skills to work on the gearbox and driveshaft. It is critical that this kit be used with a CV type driveshaft. It is recommended that a qualified professional or specialized workshop be used for proper and safe installation to ensure maximum performance and safety of the vehicle.
Product Advantages- Improves rear driveshaft length to prevent post-rise problems.
- Often eliminates the need for a transmission lowering kit while maintaining greater ground clearance.
- Increases strength and performance with improved output bearing and rear casing.
- Ideal for raised vehicles, providing a smoother and more reliable ride.
- Versatile, compatible with several generations of Jeeps with NP231-J transfer case.
Maximize the off-road capabilities of your Jeep TJ, LJ, YJ or XJ. Buy the NP231 Teraflex Short Shaft Kit for Transfer Case today and experience a significant improvement in transmission performance and durability.

