thats what I get for not reading the whole post. sorry. you asked regarding the powersteering pulley. sorry I do not know where you can get one of those. however, one option you may want to consider is powdercoating. I bought one of those eastwood hotcoat powdercoating systems and I tell you it works really well.
this is an old nasty valve cover off a junkyard 5.0 I just wanted to test out the powdercoating before I tried it on something I wanted to keep. I was very surprised how good it turned out. and this was with very minimal prep work.
IMG_0274 pictures from friends & fun photos on webshots