I bought one of these:
https://www.surpluscenter.com/item.a...-1431&catname=
For my sled motor project. You will have to make mounts for the rear end to bolt up. Also you will have to install a full blown hydraulic system for the rear brakes.
Hope this helps. They have another rear end with the same bolt pattern that you have now, but i was just showing what I got.