Mine was real easy to find! I took it off my EX500. :lol:

There are two on fleabay right now. Here's the link:
http://motors.shop.ebay.com/__?_from...nd&_sacat=6028

It is believed this is a direct bolt-on conversion, although I have yet to see it. The All Balls Racing website does list the two front ends as being compatible in their database and use the same bearings. I doubt the stack height is different, but I'm hoping to see shortly after the rules for the class have been solidified.