I swapped my old '78 CJ5 from manual to power steering. I got the following from the junkyard or used from online sales.
-From a Waggy
Power steering box
Frame mount bracket.
Power steering pump
Pump bracket for V8
Rag joint
Found the right pitman arm used from some damn where
Went with new hoses
I had a bell coupler joint in my CJ but the splines didn't match the Waggy box, so I cut the splines off the tag joint and the bell coupler and welded the tag joint splines to the bell coupler.
Everything else bolted up.
I was done for $150 and a six pack for a buddy to weld the joint for me. I didn't trust my welding.