---
product_id: 188357383
title: "NP231 Slip Yoke Eliminator Kit for 87-06 Jeep TJ/YJ/XJ - 50-7907"
brand: "rough country"
price: "2163.56 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Rough Country"
url: https://www.desertcart.tn/products/188357383-np231-slip-yoke-eliminator-kit-for-87-06-jeep-tj
store_origin: TN
region: Tunisia
---

# Optimized for Off-Road Durability Slip Yoke to Fixed Yoke Conversion Complete Transfer Case Modification Kit NP231 Slip Yoke Eliminator Kit for 87-06 Jeep TJ/YJ/XJ - 50-7907

**Brand:** rough country
**Price:** 2163.56 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your Jeep’s backbone — rugged, reliable, ready for the wild!

## Quick Answers

- **What is this?** NP231 Slip Yoke Eliminator Kit for 87-06 Jeep TJ/YJ/XJ - 50-7907 by rough country
- **How much does it cost?** 2163.56 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/188357383-np231-slip-yoke-eliminator-kit-for-87-06-jeep-tj)

## Best For

- rough country enthusiasts

## Why This Product

- Trusted rough country brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eliminate Slip Yoke Weakness:** Converts NP231 transfer case rear output from slip yoke to fixed yoke for rock-solid reliability.
- • **Lifetime Warranty Confidence:** Backed by Rough Country’s limited lifetime replacement warranty for peace of mind.
- • **Vibration-Free Drive Experience:** Requires extended travel driveshaft to prevent driveline vibration and shaft breakage.
- • **Built for Lifted Jeeps & Big Tires:** Handles increased stress from lifted suspensions and oversized tires without failure.
- • **Precision Fit for 87-06 Jeep Models:** Designed specifically for NP231 transfer cases on YJ, TJ, and XJ models post-1996.

## Overview

The Rough Country NP231 Slip Yoke Eliminator Kit transforms your Jeep’s NP231 transfer case by replacing the vulnerable slip yoke with a fixed yoke, dramatically enhancing off-road durability and driveline stability. Tailored for 1987-2006 Jeep Wrangler YJ/TJ and Cherokee XJ models, this all-inclusive kit requires an extended travel driveshaft and prevents common failures caused by lifted suspensions and larger tires. Engineered for precision fitment and backed by a limited lifetime warranty, it’s the essential upgrade for serious Jeep enthusiasts demanding reliability on every trail.

## Description

Jeep model NP231 transfer cases have one glaring weak point. They use a slip yoke on the rear output shaft of the transfer case instead of having a fixed yoke and a drive shaft with slip splines. This design works fine on the street but once you have lifted your Jeep and installed bigger tires on it, the stress on the slip yoke or rear output shaft is often too much. This Heavy Duty Slip Yoke eliminator kit includes everything to modify your transfer case, this kit does require our extended travel drive shaft, which helps to prevent driveline vibration and the rear ouput shaft from breaking.This kit converts transfer case from slip yoke to a fixed yoke for improved off-road durability and performance. Fitment Notes: For use with NP231 model transfer cases ONLY. Does NOT work with factory driveshafts. An Aftermarket CV driveshaft is required for use. Designed with the most current design shaft found in the New Process Gear NP231. This current design shaft was introduced in 1997. Jeep vehicles using the early NP231 can still use our kit, providing that the needle bearings are removed from the stock drive sprockets.

Review: Great value kit - The kit was well put together and every part fit as expected. It seems to be a quality kit and the fit and finish is nice. I had no problem installing the kit, the only down side is when it comes to the shifting fork. Depending on the year for you jeep, you will have to cut the longer portion of the shift fork rod so that the case will fit back onto the transfer case. The included instructions did not mention this fact, but if you look on Rough Country's website, it is detailed out. Once cut the case sealed back up and has been functioning fine. Do yourself a favor, and order a rebuild kit while you're in there. It is ease to do and since all the parts are indoor face, rebuild it.
Review: Direct fit no problems, been dogged through the woods already in 4L. I’d say it’s great! 200+hr - Fit great, tj speedo didn’t work. Great quality, very stout! Easy to install! Fit perfectly! Great value for the money!

## Features

- Wrangler/Cherokee NP231 Transfer Cases have One Glaring Weak Point. | Slip Yoke on the Rear Output Shaft.
- Converts Transfer Case from Slip Yoke to a Fixed Yoke | Improved Off-Road Durability and Performance.
- Designed for NP231 Transfer Case on the YJ, TJ, and XJ. after 1996. | Earlier models must remove the Needle Bearings from the stock drive sprockets.
- Provides everything to modify your transfer case | Requires RC Extended Travel Drive Shaft | Prevents Driveline Vibration / Rear Output Shaft from Breaking.
- Backed by Rough Country's Limited Lifetime Replacement Warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B084ZYHPPR |
| Best Sellers Rank | #154,840 in Automotive ( See Top 100 in Automotive ) #114 in Automotive Replacement Transfer Case Components |
| Brand | Rough Country |
| Construction | Drilling Required: No |
| Customer Reviews | 4.7 4.7 out of 5 stars (183) |
| Date First Available | April 3, 2020 |
| Exterior | Machined |
| Item Weight | 15 pounds |
| Item model number | 50-7907 |
| Manufacturer | Rough Country |
| Manufacturer Part Number | 50-7907 |
| Model | Rough Country NP231 Slip Yoke Eliminator Kit for 87-06 Jeep Wrangler TJ/YJ | 84-01 Cherokee XJ - 50-7907 |
| Position | Driveline, Rear |
| Product Dimensions | 17 x 7.75 x 5 inches |
| Special Features | Works with NP231 Transfer Cases ONLY. |

## Images

![NP231 Slip Yoke Eliminator Kit for 87-06 Jeep TJ/YJ/XJ - 50-7907 - Image 1](https://m.media-amazon.com/images/I/71HdGt1SOQL.jpg)

## Questions & Answers

**Q: Can you recommend a driveshaft ?**
A: Depending on your configuration, RC likely has the driveshaft you need as well!

**Q: Do i need a new drivshaft?**
A: Yes, you would need a new CV Driveshaft.

**Q: Does it come with the speed gear ? If so how many teeth ?**
A: It did not. It started with a lift kit, and sle was not in lift kit, and was needed.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great value kit
*by J***. on May 13, 2025*

The kit was well put together and every part fit as expected. It seems to be a quality kit and the fit and finish is nice. I had no problem installing the kit, the only down side is when it comes to the shifting fork. Depending on the year for you jeep, you will have to cut the longer portion of the shift fork rod so that the case will fit back onto the transfer case. The included instructions did not mention this fact, but if you look on Rough Country's website, it is detailed out. Once cut the case sealed back up and has been functioning fine. Do yourself a favor, and order a rebuild kit while you're in there. It is ease to do and since all the parts are indoor face, rebuild it.

### ⭐⭐⭐⭐⭐ Direct fit no problems, been dogged through the woods already in 4L. I’d say it’s great! 200+hr
*by E***E on July 31, 2025*

Fit great, tj speedo didn’t work. Great quality, very stout! Easy to install! Fit perfectly! Great value for the money!

### ⭐⭐⭐⭐⭐ Well made parts
*by M***N on May 13, 2025*

Super happy with it easy to install solid durable parts this thing should last quite a while even with the way I drive

## Frequently Bought Together

- Rough Country NP231 Slip Yoke Eliminator Kit for 87-06 Jeep TJ/YJ/XJ - 50-7907
- Rough Country Rear CV Drive Shaft for 1997-2006 Jeep Wrangler TJ | 4-6" - 5075.1

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-02-04*