Manual Steering Pitman Arm Question

At some point (maybe 72, maybe 73) Chrysler switched the manual steering box over to a "Large sector shaft". Previous to that is was a smaller shaft. They changed the center link and perhaps some other stuff at that time so that they could unify on front end parts between power and manual.

My understanding is that if you want bolt-in manual steering for your car, you would need a "Large sector" manual box, and a pitman arm (don't know if the power one swaps over and yours is worn out anyways!).

When I converted my 71 to manual I ran into this because I inadvertently ended up buying a later large sector steering shaft manual box. I discovered that to use it I would need to swap a lot of componentry out to make it work, so I sat it on the shelf and got an earlier model one that just bolted in.

The good news is that I've still got it laying around and would be willing to make a sweet deal on it! Its really nice! (You'd still need a pitman arm though. Around here O'reillys has them).

Steve