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Advance Adapters SYE (Slip Yoke Eliminator) Kit 32 Spline Output
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Products Description

 Advance Adapters SYE (Slip Yoke Eliminator) Kit 32 Spline Output Shaft

This Heavy Duty Slip Yoke eliminator kit fits Jeep NP231 transfer cases. This kit features a new 1 3/8?-32 spline rear output shaft, 356-T6 heat treated aluminum alloy tailhousing, 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, it??s reliable even with more than stock horsepower applied.

50-7906 (Driveshaft modifications required); The Jeep NP231 is one of the most commonly used transfer cases today. It is a chain-driven, planetary designed gear box with a low ratio of 2.72 to 1. Forthe average 4-wheeler, this is a good transfer case. One of the biggest faults of this transfer case is the overall length. At 20+ inches, this creates an extremely short rear driveshaft in the Jeep YJ & TJWranglers. This short rear driveline becomes even more crucial when the vehicle is lifted or a transmission swap is performed. In addition, when a lift kit is installed, larger tires are usually the next upgrade. Strength and driveline angle of the output shaft then becomes a concern. To make the NP231 better suited for these upgrades, we have designed our? Fixed Yoke? kit with the best features available. We manufacture a new one-piece tailhousing that will add 3-1/2 - 4? to your rear driveline length on a YJ, and up to 6" on a TJ. This will allow you to obtain a better driveshaft angle and eliminate driveline vibrations. We also manufacture a new 32 spline output shaft that is over 50% stronger than stock. This kit, along with anew 1310 series C.V. yoke, makes the NP231 a better transfer case for trail use. A full set of installation instructions is provided to assist in the installation of this kit.

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4x4 GroupBuy.com
8 Turning Leaf Drive
Unit 1
Windham, ME 04062