You will have to find the article Steve Blunier wrote in Cub Cadet Connection Magazine a few year ago.
That's where I started and had to figure it out on my own from there as his installation IIRC, was on an 82 series..
1st, Ya gotta find the parts tractor with what you need.
some pictures of when I mounted cyclops Power steering on a 1650 loader tractor a few years back. It was not a twin stick but there was room for the dual valve. I pretty much followed Steve B's install. It worked well and now is in the capable hands of Dale M. Hope these help.