NP231 Slip Yoke Eliminator
This Heavy Duty Slip Yoke eliminator kit fits Jeep NP231 transfer cases. This kit features a new 1 3/8ā-32 spline rear output shaft, 356-T6 heat-treated aluminum alloy tail housing, 1310 c.v. yoke (other styles of yokes available), bearings, fastening hardware, and detailed instructions.
Note: We have designed our heavy-duty fixed yoke output shaft 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.
Transfer Case
Introduced in 1988, the Jeep NP231 is a part-time transfer case became the standard for XJ and YJ models. It was also used in six-cylinder ZJ models through 1995. Chain driven with a 2.72:1 low range, itās reliable even with more than stock horsepower applied.
We recommend a slip yoke eliminator kit for XJs & TJs with over 3" of lift. This kit is specifically designed for 231 transfer cases only.
DRIVESHAFT MEASUREMENT GUIDE:
Product Information
Product Information
Shipping & Returns
Shipping & Returns


NP231 Slip Yoke Eliminator
NP231 Slip Yoke Eliminator
This Heavy Duty Slip Yoke eliminator kit fits Jeep NP231 transfer cases. This kit features a new 1 3/8ā-32 spline rear output shaft, 356-T6 heat-treated aluminum alloy tail housing, 1310 c.v. yoke (other styles of yokes available), bearings, fastening hardware, and detailed instructions.
Note: We have designed our heavy-duty fixed yoke output shaft 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.
Transfer Case
Introduced in 1988, the Jeep NP231 is a part-time transfer case became the standard for XJ and YJ models. It was also used in six-cylinder ZJ models through 1995. Chain driven with a 2.72:1 low range, itās reliable even with more than stock horsepower applied.
We recommend a slip yoke eliminator kit for XJs & TJs with over 3" of lift. This kit is specifically designed for 231 transfer cases only.
DRIVESHAFT MEASUREMENT GUIDE:
Original: $269.00
-65%$269.00
$94.15Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This Heavy Duty Slip Yoke eliminator kit fits Jeep NP231 transfer cases. This kit features a new 1 3/8ā-32 spline rear output shaft, 356-T6 heat-treated aluminum alloy tail housing, 1310 c.v. yoke (other styles of yokes available), bearings, fastening hardware, and detailed instructions.
Note: We have designed our heavy-duty fixed yoke output shaft 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.
Transfer Case
Introduced in 1988, the Jeep NP231 is a part-time transfer case became the standard for XJ and YJ models. It was also used in six-cylinder ZJ models through 1995. Chain driven with a 2.72:1 low range, itās reliable even with more than stock horsepower applied.
We recommend a slip yoke eliminator kit for XJs & TJs with over 3" of lift. This kit is specifically designed for 231 transfer cases only.
DRIVESHAFT MEASUREMENT GUIDE:












