Additional information can be obtained in our on-line catalog, Jeep & Scout Vehicle Section: Transfer Case Information, Jeeps 1941-79.
The kit is designed for exclusive use with the GM SM420 4 speed transmission.D. Required Options ADV716001 Large Hole Retainer or ADV716002 Small Hole Retainer, ADV716302 Sealed Bearing Fits Jeep dana 18/20 transfer case;10 spine drive gear;GM SM420;4 speed;Maunal;New SM420 main shaft design;California Residents: WARNING Advance Adapters GM SM420 10 Spline Transmission To Dana 18/20 Transfer Case Adapter - 50-2402 Our kit will include a adapter housing, new transmission main shaft, mount block, gaskets, seal, nylon lock nut, and adapter instructions.