Advance Adapters Adapter For GM NV4500 Transmission To Jeep Dana 20 Transfer Case
The GM NV4500 adapter to the Jeep Dana 20 is 5.875" in length. And the overall length of this transmission and adapter is 18.250". Adapter material is 356 T6 heat treated aluminum alloy. The adapter has a provision for a transmission mount. The adapter kit includes an adapter housing, 6 spline spud shaft, special large hole bearing retainer, sealed bearing, snap ring, set collar, gasket, seal, nylon lock nut, and adapter instructions.
Transfer Case
Jeep Dana 18/20 transfer cases must have a 6 spline female drive gear. The transfer case bore size must be (4") large hole. The Dana 18 kit fits large hole transfer cases only. Transfer case shifter linkage will need to be modified in order to fit alongside the large 5 speed transmission case. Additional information can be obtained in our on-line catalog, Jeep & Scout Vehicle Section: Transfer Case Information, Jeeps 1974-79.
Transmission
The adapter kit is designed for exclusive use with a GM NV4500 4WD transmission. Our adapter assembly requires the stock output shaft to be cut to the proper stick out length to couple to our spud shaft
Installation Instructions
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