This is what you are after. 2wd boxes swing left to right like ifs 4wd boxes.
There's an additional frame bracket not shown in the ad
https://www.ebay.com/itm/1979-1985-Toyota-pickup-4wd-Power-steering-Gear-Box-/255264781349?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l6249&mkrid=711-127632-2357-0