They would work great with 225/45/15's square or 205/50/15's on the front but the price seems a little steep given the condition. Refinishing them Magnus Walker style isn't terribly difficult
http://forums.pelicanparts.com/porsche-911-technical-forum/638194-porsche-collection-out-control-hobby-20.html if you have access to a bead blaster but it does take time and patience but is probably the easiest way to do it.