I have no intention of of purchasing these caps at $200 each on eBay but was intrigued that they do not all have the same size flange/lip. I've heard that originals had a different side lip than repops but did originals vary also? I wouldn't think so.
If they did not vary which are the originals?
Steve
http://www.ebay.com/itm/NOS-NLA-OEM-PORSCH...1f3&vxp=mtr