Bought set of 4 Ford RS four spoke wheels on ebay as track set for slicks.

1 wheel was newer than the others and came with larger holes (which I only discovered at Castle Donnington yesterday)

I have been told that there are bolts with a larger taper that can be used refered to as Ghia nuts, is this correct or do I need some other option?

http://www.speedshack.co.uk/Wheelnuts.htm

these guys are good and will sort you out.

Matt