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Advance Adapters, NP231 23 Spline Conversion Kit, with a Turbo 400 Transmission
691.60 USD
Ex Tax: 691.60 USD
- Model: 50-6400
- Stock: In Stock
- Type: Transfer Case Gasket & Seal Kits
Delivery Before 11/11/2026 Wed
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.





