There are also kits that put a new box in the same location at the original box. CPP I believe makes the box but it looks to be in other supplier's kits.
Here's one example:
https://www.classicindustries.com/pr...5559pskoc.html
Article from Hot Rod magazine:
https://www.hotrod.com/articles/powe...traight-axles/
I am not sure what you will have to do for power steering pump brackets for your engine.