[QUOTE=ekam]
I'd check to see if those wheels you got are replicas/QUOTE]
I was just thinking the same thing as I was searching ebay. these are close to yours but 19" and the points are out rather than inward pointing
http://cgi.ebay.com/ebaymotors/19-8-11-Porsche-911-996-997-Wheels-Rims-Brand-New_W0QQcmdZViewItemQQ_trksidZp3286Q2ec0Q2em14QQha shZitem2c4d956ee3QQitemZ190280199907QQptZMotorsQ5f CarQ5fTruckQ5fPartsQ5fAccessories
If you do go the replacement route, try to find some place you can pick them up as the shipping could get ugly.