If you don't have any luck by Christmas, check back with me.

I have a mint pump, brackets and correct deep groove pulley that I bought years ago for my 69 Z/28. My car currently has the original manual steering box on it. I ran PS on it for a few months back in the 90's before restoration. I cannot decide if I want to go back to the power steering. I recently put a one inch larger steering wheel on it to see if I can steer it OK without the assist. (Much easier than changing out the steering!!!) I have had both shoulder joints replaced in the last 1.5 years, and am struggling to get my strength back.
Power steering may be the only way I can continue to enjoy the car; so I don't want to let these parts go right now.
The pump and bracket are relatively easy to come by; the pulley not so much. I would be priced on the high side if I do decide to sell. Just being up front.