Factory had a Power assist system (think power ram on linkage, not integral box). Kind of like this FERD system
https://www.hemmings.com/magazine/hmn/2011/08/Power-Steering-Cylinders/3702381.htmlI got all the pieces with one of my buys, but it's not something I want to restore and add to any of my projects. Getting someone to rebuild and finding parts would be a big issue.
The typical manual steering is designed for skinny wheels and tires at around town speeds. If you want to add P/S for wide tires, big offsets or something else past the original design, you are going to just wear out or break stuff faster. The typical newer owner wants lowering, better brakes, better steering and better suspension. If this is you, consider a complete front replacement.
No kits that I'm aware of, but I've seen fabricated Mustang II IFS in various early vans. They have a cross member very low in front to keep the geometry correct. More recent swaps include Crown Vic IFS.
