Would these fit?
http://forums.pelicanparts.com/porsche-911-used-parts-sale-wanted/806072-porsche-wheels-cup-ii-17-5x130-fronts-7-5jx17h2-et23-rears-9jx17h2-et15.html
Porsche Wheels Cup II 17" 5x130 Fronts:7.5Jx17H2 ET23 Rears:9Jx17H2 ET15
Fronts: 7.5J x 17H2 ET23
Rears: 9J x 17H2 ET15
Bolt pattern: 5 x 130
Condition: Good overall. There are surface nicks, scratches, and some minor curbing.