Just thought I'd post a picture of my new wheels, which I fitted my original Kumho tyres onto for a couple of recent track days in Italy (write up to follow).

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These are Judd T122 wheels, 17 x 7.5, and offset 2mm different from the originals I believe, no spacers required and fit over the brake calipers fine, just over £400 from Turriff Tyres.
Only issue is they do protrude past the tyres so could be easily kerbed.
A couple of pictures on the car :

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