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Jeep Parts Home » Jeep Drivetrain Jeep Axles & Differentials » Jeep Transfer Case Slip Yoke Eliminator Kits » NP231 Slip Yoke Eliminator Kit

NP231 Slip Yoke Eliminator Kit

Rugged Ridge | Part Number: RUG18676.60
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  • Technical Details

    • Fits 1987 to 2006 Wrangler, Rubicon and Unlimited
    • Fits 1987 to 2001 XJ Cherokee
    • Fits 1987 to 1992 MJ Comanche
    • Fits 1993 to 1998 ZJ Grand Cherokee
    • NP231 transfer case
    • Heavy-duty output shaft
    • 18% larger spline diameter
    • 54% increase in torque capacity

Have you lifted your Jeep and now have drive shaft vibration problems? Install this Slip Yoke Eliminator kit and reduce or eliminate that annoying noise and vibration. Transfer case tailshaft length is reduced by 6.5 on '97-'03 Wranglers and 4.25 on '88-'95 Wranglers reducing the driveline angles. Kit comes with a heavy-duty rear output shaft which is shorter and has 18% larger spline diameter and a 54% increase in torque capacity. New aluminum rear output housing, bearings, seals, snap rings, bolts and instructions. *Some models may require mode fork shift rail to be shortened.

Installation instructions are in PDF format. You will need Adobe Reader to view these files.
Download Instructions

Transfer Case ModelIncludes New Tail ShaftIncludes New Extension HousingReplacement Yoke Type
NP231Includes New Output ShaftYes1310 CV Style Yoke

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Customer Reviews

Average Customer Review


by PowerReviews
Rugged RidgeNP231 Slip Yoke Eliminator Kit

(based on 1 review)

Reviewed by 1 customer

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(1 of 2 customers found this review helpful)


Good SYE kit

By Bryan

from Colorado


  • Durable
  • Easy To Install


    Best Uses

    • Everyday Driving
    • Performance Driving
    • Replacement

    Comments about Rugged Ridge NP231 Slip Yoke Eliminator Kit:

    Great SYE, easy to install.

    • Car & Truck:
    • Mechanic

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    Questions & Answers

    Do you have questions about this product?

    get answers from real customers and in-house experts with AnswerBox.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      How much shorter is the output shaft compared too stock? Going in a 1993 2.5L YJ
      Asked on 10/13/2014 by Bubba from Hawaii

      1 answer

      • Staff Reviewer


        Hello, These are an inch to 2 inches shorter as long as you use the recommended drive shaft you wont have any issues. If you have anymore questions feel free to ask, Thank you.

        Answered on 10/14/2014 by JordanC extension4833 from Ohio
    • Q:

      Will this work with the NSG 370-Manual, 6-speed transmission?
      Asked on 7/22/2014 by Muddy Beard from remsen ny

      1 answer



        Hi Muddy

        Yes the NP231 Slip Yoke Eliminator Kit will work with the six speed as long as you have the NP231 transfer case.


        Answered on 7/23/2014 by LWiff from Ohio
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