That looks like more like a gasket than a spacer.
Very similar looking gaskets come in CV joint boot kits for various cars.

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
John C...
Sent: Friday, August 07, 2009 4:41 PM
To: vanagon@GERRY.VANAGON.COM
Subject: WTB; CV JOINT SPACER/

*http://tinyurl.com/nzxkr5*
**
Hi All,
I'm looking for a Pair of
CV Joint Spacers
(See Picture)
If you've got a couple you can spare
please let me know.
(pmail)
Thanks,
John

*http://tinyurl.com/nzxkr5*