I have a case to a 2.1, picture here:
http://www.feddishbasses.com/vw/engine21.html

The pistons are rust welded to the cylinder walls so I stopped disassembly
at that point.  It looks like it was brought back up from the Titanic. If
you want it, it's yours. I'm located in Phoenixville, PA.

Thanks,
Bryan