[willimo]

Is it the little round lenses or the big one that goes across the whole assembly? If it's just the round lenses, you could get by using some aftermarket lenses, like Veyron (I think) used. Scope his car at the S2000 meet over in Progress/Completed section. It'll look close enough, good as a custom, but if you're trying for the real deal... well, Tamiya seems to be good about part replacement.