Was just surfing around an stumbled across http://www.aircooledresearch.com/ they have reground stock cranks and also refurbished rods for sale as well as a few other 36hp goodies.
Aircooled VW blogs, builds and banter. Since lunchtime 2009
You can see a lot more images at GhiaCoachworks.com - take a look under the engine section.Enjoy,Richard