Advance Adapters GM SM420 Transmission To Dana 18/20 Transfer Case - 50-2401
The adapter material is 356 T-6 heat treated aluminum alloy, and the adapter has a provision for a transmission mount. Our kit will include a adapter housing, spud shaft with 6 spline for drive gear, mount block, set collar, gaskets, seal, nylon lock nut, fastening hardware and adapter instructions. The transfer case index to the new adapter will require an index retainer & sealed bearing.