http://www.oople.com/forums/showthread.php?t=31939
Have a look on this thread mate, lots of options there!!
I ran the speed passion gt 2 pro speedo and v3 motors in mine, with Sanwa 451r receivers. Tight, but still room and awesome kit!!
Hope this helps.
I might have a speedo and motor for sale soon. What wind are you after?
Pm me if interested.
Hth
Griff