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Advance Adapters GM TH400 to Dana 300 transfer case Adapter kit (4.25 long)

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Your Price: $535.98
Retail Price:$562.78
Your Savings:$26.80(5%)
Part Number: AA-50-6400
Advance Adapter

The GM TH400 automatic transmission adapter to the Jeep Dana 300 is 4.250” in length. The adapter material is 356 T6 heat treated aluminum alloy and has a provision for a transmission mount. The adapter kit includes an adapter housing, new 27 spline TH400 output shaft, 27x23 spud shaft, bearing, snap rings, gaskets, fastening hardware, and adapter instructions.

Note: Please specify when using the AMC TH400 version. The GM and AMC TH400 are similar, the difference is the AMC version has a rotated rear 6 bolt pattern.

Transfer Case
The adapter assembly fits the1980-86 Jeep Dana 300. All 300s use a 23 spline input. Some of the adapters we manufacture include a new Dana 300 input with a different input spline. Therefore, if you obtain a Dana 300 from a salvage yard, please verify the input spline.

Transmission
This adapter kit is designed for exclusive use with the 4WD GM TH400 automatic transmission. The TH400 has a case length of 24.250” and a “Texas-shaped” oil pan underneath it. The factory output shaft has a spline count of 32 spline and had various output stick-out lengths.
 
Note: Our adapter kit is designed to replace TH400 output shafts with stickout lengths of 1.5” & 2.5”. 

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