Decent Set of Used Alloy Ctr Caps at $80 starting, on eBay:

http://cgi.ebay.com/ebaymotors/ws/eBayISAP...ASS%3AUS%3A1123

... No Affilliation

http://sfbay.craigslist.org/pen/pts/1610033466.html

Likewise no affiliation....

I'm sure everyone here realizes these are aftermarket versions of the center caps which are quite different than the originals.

Here is a photo of an orignial 914-4 alloy center cap

These seem pretty close.

http://cgi.ebay.com/ebaymotors/VW-PORSCHE-...ultDomainQ5f100

those are the same billet aluminum ones as offered by pimp ride vw ect.. they are stronger than originals but thicker in appearnce/desighn and sit taller on the wheel.. not stock

Yes those are very close and the best by far of the aftermarket caps for the 914-4 alloys. Auto Atlanta is selling those exact ones. I saw them the last time I was in Atlanta and they look very nice.