Dodge NV4500 29 Spline, 1-1/8th 10 Spline Input Shaft Adapter Kit for Jeep 4.0L 6 CYL (AX15 89-93 Replacement)
The overall assembly length is 25.850". This kit requires the use of a stock 1989-93 Jeep AX15 Bellhousing with the internal slave cylinder and is not compatible with the stock external slave cylinder design. The original clutch assembly can also be retained.
When coupled to the AX15, the stock transfer case used a 23 spline input gear. This kit comes with a new 29 spline input gear for the New Process 231 transfer case.
The transfer case adapter is the shortest design possible to couple to the New Process transfer case. This adapter comes with a shifter bracket that allows the use of your stock transfer case shifter. These packaged kits include a new support crossmember which couples to the stock skid pan. Modifications will be required to your floorboard for the shifters, and the skid pan will require new holes to be drilled for the crossmember support. A body lift is normally recommended for clearance.
If you would rather change out the internal release bearing, we offer a full bellhousing kit that uses an external slave cylinder (Part #27-0012T).
Kit Includes:
- 50-0204 - Transfer Case Adapter Kit
- 712554 - Adapter Plate Kit
- 716008 - Crossmember Support
- 716050D1 - Shifter Handle Assembly
- 50-0231 - 29 Spline Input Gear
Regarding the Adapter Plate Kit (#712554) to the Jeep AX15 Bellhousing: In 1989, Jeep introduced the AX15 5 speed with the 4.0 high output engine. By using the Dodge transmission along with this new adapter plate, Advance Adapters is able to adapt the original Jeep bellhousing and retain all of the original clutch components.
In order to adapt the Dodge Standard Duty NV4500 to a Jeep AMC 6 cylinder engine, they have found it easiest to adapt directly to the original AMC bellhousing. They have designed this adapter plate to bolt to the NV4500, providing the correct bolt pattern and dowel pins for the stock AX15 bellhousing. This kit is supplied with a modified front bearing retainer that must be installed on the front of the NV4500 transmission. With the adapter plate and retainer installed, the front of the NV4500 is an exact image of the stock AX15 transmission. The stock internal release bearing stays the same; however it should be replaced with Jeep part number 5252137. A new pilot bushing is provided in the kit to fit the top of the NV4500 input shaft. The stock clutch components can be retained; however, a new clutch disc and pressure plate should be used.
NOTE: This kit will only fit AX15 transmissions that were equipped with the internal throw out bearing. AX15 transmissions that have an external slave cylinder must use the full bellhousing kit.
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