has anyone tried just grinding/sanding them down and repainting them?

I'm in Germany and nothing on my end, looking for the same solution.

Plastic Chrome Center Cap (1) for 1990 to 1996 300ZX Wheel - (GS) :: Nissan Parts, NISMO and Nissan Accessories - Courtesyparts.com

these are stock center caps from a 300zx and they seem that they have the same outer dimensions. wonder if they would fit. but still would need painting.

Good find. I was thinking about changing the center caps and wondered what is out there. I may have to purchase one and see if they fit and how they look.

Anyone find a cap that works for sure??

I did just find these:

http://cgi.ebay.com/ws/eBayISAPI.dll...ht_1880wt_1170

Here is what I have been working on. Looks great on the Z

http://i269.photobucket.com/albums/j...019_162225.jpg

http://www.the370z.com/members/pfdax...center-cap.jpg

those do look good.
What are they?

Thanks....made them.

Or should I say...put them together myself ;)

They look great. I'm surprised nobody makes these since they could be made for cheap and sold for a good profit.

nice job!! Details?

These plus Z emblems from rear hatch:

Nissan 350Z Chrome Wheel Wheels Center Cap Caps | eBay