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Teraflex 231 Extreme Short Shaft Kit (87-06 Jeep Wrangler YJ & TJ)

Item J10245
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$381.99 (kit)

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Replaces the Slip Yoke with a Fixed Yoke on Jeeps with Lift Kits Installed
      • 3 Inches Shorter Than a Standard Slip Yoke Eliminator (SYE) Kit
      • Tone Ring and Electronic Sensor Transmit Speedometer Readings
      • Mechanical Speedometer Cables Must Be Upgraded to an Electronic Speedometer
      • Limited Lifetime Warranty
      • Designed for 231-J T-Cases Only
      • Fits 1987-2006 TJ & YJ Wranglers


      Specs. Adding a lift kit to your Jeep Wrangler frees up more space under the vehicle for better ground clearance and big, terrain-conquering aftermarket tires. However, the slip yoke becomes problematic, and can cause vibrations or even crack the 231-J transfer case because of changes in the driveshaft angle. This Teraflex Extreme Short Shaft Kit fixes these problems in style, giving you 7 extra inches of driveshaft while being 3 inches shorter than standard SYE kits.

      Construction. Teraflex offers a standard limited lifetime warranty on most of its products, and this high quality Extreme Short Shaft Kit is no exception. Made out of high quality materials, this kit enables replacing the slip yoke with a fixed yoke, extending the driveshaft by 7 inches and taking up 3 inches less space than the standard SYE (slip yoke eliminator) kit. All the components needed to modify a 231-J T-case are included. Earlier Jeep models that use a mechanical speedometer cable must be upgraded to an electronic speedometer (sold separately) to use this Short Shaft Kit.

      Application. Fits 1987-2006 TJ & YJ Wranglers.

      Fitment: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Details

      MPN# 4444400

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (6)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 6 customers

      • December 19, 2019

        5 2006 Wrangler - RMBRUCE

        Great SYE

        Allows a shallower angle between your transfer case and your diff.

        Helpful (0)
      • October 05, 2017

        4 1995 Wrangler - ClarkD

        Extreme short shaft kit

        My only complaint is that the Install instructions could be more detailed. Product seems great. I have installed it but have months to go before Jeep will be on/off the road

        Helpful (9)
      • October 04, 2017

        5 1993 Wrangler - RobbReynolds

        Works like a charm

        East installation and has been working flawless for the past 5 months. Highly recommended.

        Helpful (8)
      • May 01, 2017

        5 1997 Wrangler - JenK

        Exactly what I needed

        This extreme short SYE kit was a breeze to install. It also came with good instructions and does exactly what it says. It was about 3in or so shorter than my standard SYE. This kit was needed for my 1997 wrangler after installing a tummy tuck skid plate to be able to use my current CV rear driveshaft (with the tummy tuck, my CV shaft was too long fully compressed) This kit is also nice for Jeeps with a lot of lift( 6in) because it helps with driveline angles even with the CV. A traditional CV shaft may not work (one made for a standard SYE) and a different length or custom shaft may be needed. Also note, it you have a older Jeep like my 1997, the speedo is no longer a gear in this kit and you will also need a harness and connector of sorts to make the speedo work. Mine is a trail rig so I did not worry about it

        Helpful (10)
      • March 21, 2017

        5 1994 Wrangler - AlaskaBubba

        Best Bang for the Buck

        Installed a early version of this kit in 2009 and have had no trouble with it since. Was a little difficult dropping transfer-case and reinstalling it, the rest was pretty straight forward. In 2014 I installed a flanged yoke so I could run a 1350 cv drive shaft and transfer-case park brake never had to crack the case, just change the fluids with good quality synthetic. Ive run this combo thru all types of terrain and beat on them without mercy, always gets me home.

        Helpful (9)
      • July 18, 2014

        5 1997 - Shreck


        Extreme Terrain shipped fast and it was exactly as described. Super pleased.

        Helpful (10)

      Questions & Answers (8 answers)

      5 Top Rated Questions

      I installed a 2" lift kit with transfer case drop kit. When I put it in reverse it will pop-out of reverse I did not experience this problem before it was lifted. Will a slip yoke eliminator and CV drive shaft solve this?

      • Thank you for your question! I would recommend uninstalling the transfer case drop and installing the Teraflex 231 Extreme Short Shaft Kit SYE for better shifting. When dropping the transfer case, linkage can be compromised causing difficulty when shifting.

      Helpful (1)

      Whre can i find the speedometer recal listed by Teraflex

      Where can i find the speedometer re-cal tool listed by Teraflex?

      I installed this and my speedometer now doesnt work. I understand why but am just wondering what part I need to order to fix this problem.

      • You will need to contact Teraflex and inquire about item number BLD33002.

      Helpful (0)

      Does this come with a speedometer drive gear?

      • The speedometer drive gear is not included with this kit.  

      Helpful (0)
      Post Your Question
      3 More Questions
      I have a SYE drive shaft for my 99 TJ, its for a 4''-6'' lift. Collapsed its 14.25'' and extended it is 17.75". Can I use this Extreme short SYE kit for a lift that is in the 2''-3'' range? 1 answer
      Would I be able to still use the factory driveshaft with this kit with 4 inches of lift? 1 answer
      Hi, I need to buy an eye for my 1997 Wrangler. I figure if I'm getting one installed I may as well get the extreme short kit. The issue is that I don't know if I have an electronic speedometer. Do you know what years have them? What else would I need to have a properly functioning speedo? Thanks 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Output Shaft
      • (1) Output Housing
      • (1) Speed Ring Sensor
      • (1) Bearing
      • (1) Seal
      • (1) Yoke
      • (1) Yoke Nut
      • Hardware

      Tech Specs

      Will It Fit My Wrangler

      • TJ Rubicon 2 Door - 03, 04, 05, 06
      • TJ Rubicon Unlimited 2 Door - 05, 06
      • TJ Wrangler 2 Door - 97, 98, 99, 00, 01, 02, 03, 04, 05, 06
      • TJ Wrangler Unlimited 2 Door - 04, 05, 06
      • YJ Wrangler 2 Door - 87, 88, 89, 90, 91, 92, 93, 94, 95