65 Dart manual steering box

I had the 65 Dart delivered today. First thing it's needing is a manual steering box, doubt I could keep it on a two lane highway, So, my question is what year boxes will fit this car, would you recommend a new or rebuilt box or used box?

Thanks.
OK, looks like a 62 to 72 manual boxes will fit, another question, it list a 65 dart with a V8 manual box, this car was originaly a /6, are the boxes different, if so, in what way.