Not only do we make the best lift kits and suspension systems on the market, but we also offer accessories for your Wrangler/Unlimited, Gladiator, and other Jeep models. Here is a look at our transfer case upgrade kits and accessories for the TJ Wrangler/Unlimited, YJ Wrangler, XJ Cherokee, and Jeep CJ models.

Short Shaft Kits

These kits must be used with a CV-style (double Cardan) driveshaft. Fits NP231-J Transfer Cases only.

TJ: NP231 Extreme Short Shaft Kit

4444400 – TJ: NP231 Extreme Short Shaft Kit

 

The TeraFlex TJ: NP231 Extreme Short Shaft Slip Yoke Eliminator Kit is what short-wheelbase TJ Wrangler/Unlimited owners have been dreaming about for decades. Not only does the Extreme Short Shaft Kit improve on strength, but it also increases driveshaft length by up to 7” over a stock application. This kit is also more than 3” shorter than our standard Short Shaft Slip Yoke Eliminator Kit and 1.5” shorter than an ATLAS II. Speedometer readings are transferred through a tone ring and electronic sensor.

Includes: output housing, transfer case output shaft, output housing seal, output housing bearing, rear output yoke, output yoke flanged nut, speed sensor, all necessary hardware.

NP231 Extreme Short Shaft Slip Yoke Eliminator Kit:

  • TJ: NP231 Extreme Short Shaft Kit

Replacement Parts

  • Electronic Transfer Case Speed Sensor w/ Harness
  • Rear Output Yoke
  • Output Housing Seal
  • Output Yoke Flanged Nut

TJ Wrangler/Unlimited | YJ Wrangler | XJ Cherokee

NP231 Short Shaft Slip Yoke Eliminator Kits

TeraFlex NP231 Short Shaft Slip Yoke Eliminator Kits increase the rear driveshaft length by 4” eliminating the need for a Transfer Case Lowering Kit in most cases. Also includes a larger output bearing and rear housing.

Includes: output housing, transfer case output shaft, output housing seal, output housing bearing, rear output yoke, output yoke flanged nut, all necessary hardware, more.

Fits:

  • 1997–2006 TJ Wrangler
  • 2004–2006 LJ Wrangler Unlimited
  • 1987–1995 YJ Wrangler
  • 1984–2001 XJ Cherokee

NP231 Short Shaft Slip Yoke Eliminator Kits:

  • TJ | LJ | YJ | XJ: NP231 Short Shaft Slip Yoke Eliminator Kit
  • XJ Cherokee: NP231 Short Shaft Slip Yoke Eliminator Kit w/ Vacuum Disconnect

Replacement Parts

  • Rear Output Yoke
  • Output Housing Seal
  • Output Yoke Flanged Nut

2Low 2WD Low-Range Shift Sector Kits

The TeraFlex TJ: NP231-J 2Low 2WD Low-Range Shift Sector Kit adds a low-range 2WD/RWD (two-wheel-drive/rear-wheel-drive) option to the TJ Wrangler/Unlimited model’s NP231-J transfer case’s standard low-range shift pattern.

This kit enhances trail turning ability by allowing tighter turns on narrow switchbacks and eliminates most front-end bind encountered while turning with 4WD (four-wheel-drive) engaged.

This internal modification does not require any external upgrades.

New Shift Pattern: 2H > 4H > N > 4L > 2L

  • TJ Rubicon: 241OR 2Low 2WD Low-Range Shift Sector Kit
  • TJ: NP231-J 2Low 2WD Low-Range Shift Sector Kit

Accessories

Transfer Case Lowering Kits

1900103 – 2003–2006 TJ: 1" Transfer Case Lowering Spacer Kit

These TeraFlex Transfer Case Lowering Kits lower the transfer case to reduce driveshaft vibration caused by a ride height 2” or more above stock — especially on Jeep models without adjustable control arms and/or a Slip Yoke Eliminator Kit.

 

1997–2002 TJ SWB: Transfer Case Shift Linkage Adapter Kit

4947100 – 1997–2002 TJ SWB: Transfer Case Shift Linkage Adapter Kit

The TeraFlex 1997–2002 TJ SWB: Transfer Case Shift Link Adapter makes shifting your 231 Transfer Case into all low-range sectors simple. This kit fixes the issues of the trouble-prone and unreliable stock linkage caused by independent body and drivetrain movement.

The new bracket bolts to the transmission and transfer case to eliminate any negative movement. The heavy-duty adapter provides problem-free shifting even under extreme conditions. Also includes an adjustable torque shaft rod for fine-tuning the linkage to the transfer case lever.

Fits automatic transmissions only.

 

 

 

1997–2002 TJ SWB: Adjustable Transfer Case Torque Shaft Rod

947120 – 1997–2002 TJ SWB: Adjustable Transfer Case Torque Shaft Rod

Use this 1997–2002 TJ SWB: Adjustable Transfer Case Torque Shaft Rod with the 1997–02 TJ SWB: Transfer Case Shift Linkage Adapter Kit when a longer torque shaft is required to mount between the linkage adapter kit and the transfer case lever.

 

 

 

TJ: Shift Linkage Plate Kit

1900003 – 2003–2006 TJ: Shift Linkage Plate Kit

The TeraFlex TJ: Shift Linkage Plate may be necessary to properly locate the transfer case linkage on TJ Wrangler/Unlimited models with either a transfer case lowering kit or body lift kit. Fits automatic or manual transmissions.

 

 

 

 

1997–2002 TJ SWB: 5.5” Adjustable Transfer Case Shift Linkage Rod

947105 – 1997–2002 TJ SWB: 5.5in Adjustable Transfer Case Shift Linkage Rod

Use this 1997–2002 TJ SWB: 5.5” Adjustable Transfer Case Shift Linkage Rod with the 1997–02 TJ SWB: Transfer Case Shift Linkage Adapter Kit when a longer shift linkage is required. This linkage is 5.5” long and provides maximum linkage adjustment to fine-tune the linkage throw length between the linkage adapter kit and the transfer case shift handle assembly.

 

— — — SKUs, components, and pricing are subject to change. See the website descriptions for the latest information. — — —

Check out all our TeraFlex Suspensions Lifts, Off-Road Performance Parts, and Jeep Accessories HERE!

— Words by Jason Udy