I thought they were Chevy wheels when I saw them, but they were from a company in the UK:
http://www.northhantstyres.com/old%20web%20pages/old%20Steel%20wheel.htm
Just come back from the Volksworld Show where we advertised the car there, my it looked good with the cloudy sky reflecting down on it!
He's had the badges and flashes added now, I think it looks even better!
http://i6.photobucket.com/albums/y250/Robbo244/speedster/2007-03-26017.jpg
http://i6.photobucket.com/albums/y250/Robbo244/speedster/2007-03-26016.jpg
http://i6.photobucket.com/albums/y250/Robbo244/speedster/2007-03-26018.jpg