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Rough Country NP231 Slip Yoke Eliminator by Rough Country

Part no: RC-50-7906

$214.95 + free Shipping
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This product fits only specific vehicles. Select your vehicle to ensure it fits.

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Product Details


Important Notes:

  • "Rubicon" Package models do not need a Slip Yoke Eliminator kit.
  • For use with NP231 model transfer cases ONLY.
  • Requires CV rear driveshaft.


  • 1997-2006 Jeep Wrangler TJ (With NP231 Transfer Case)
  • 2004-2006 Jeep Wrangler Unlimited TJL (With NP231 Transfer Case)
  • 1987-1995 Jeep Wrangler YJ (With NP231 Transfer Case)
  • 1984-2001 Jeep Cherokee XJ (With NP231 Transfer Case)
  • 1993-1998 Jeep Grand Cherokee ZJ (With NP231 Transfer Case)
  • 2002-2007 Jeep Liberty KJ (With NP231 Transfer Case)


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. The Rough Country Slip Yoke Eliminator is designed with the most current design shaft found in the New Process Gear NP231. Jeep vehicles using the early NP231 can still use this kit, providing that the needle bearings are removed from the stock drive sprockets. It also does require our extended travel driveshaft.

Product Details:

  • Installation Time: 2 - 3 hours
  • Helps to prevent driveline vibration
  • Helps to prevent the rear output shaft from breaking
  • Converts transfer case from slip yoke to a fixed yoke for improved off-road durability and performance.

Parts Included:

  • 1 3/8"-32 Spline Rear Output Shaft
  • 356-T6 Heat Treated Aluminum Alloy Tailhousing
  • 1310 C.V. Yoke
  • Bearings
  • Hardware

Years Covered:

1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 and 2007

For California residents: Proposition 65 Warning

Vehicle Fitment

1993-1998JeepGrand Cherokee ZJ
1997-2006JeepWrangler TJ
2004-2006JeepWrangler TJ Unlimited
1984-2001JeepCherokee XJ
1987-1995JeepWrangler YJ

Additional Information

BrandRough Country
SKU Aliases50-7906

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