Ram Assist power steering

[68handmedown]

System is worn out. Center link is different than non assist and needs to replaced along with steering gear. Can a 68-72 be swapped in? I have a friend who owns a wrecking yard with several C-10's in the yard so finding the trucks wont be hard. Has anyone ever seen one of these what a pain. I pulled the steering gear and noticed when i removed it the link that attaches to the steering arm is very loose and moves every which way and the steering gear shaft moves in and out and side to side.