Phil, I feel your pain on that price tag - OUCH!. Maybe post an ad in
Truck Parts Wanted? I know a fellow "Truck Guy and his Son" here in KC area that both have early 70's 4X4 Blazers, one of which is in the process of being converted into a custom ride with complete new chassis. They may have or know someone that has some of these wheels??? Will give him a shout today and let you know.
Oh yeah, how many wheels do you need?