Originally Posted by Scott Fisher
That is a darn fine question.

I don't know to be honest, but you can give Mugen USA a call. If it is available now, they will be able to give you a part number and possibly tell you where they may have shipped some of those parts. If they (Mugen) has them in, Ace may/may not have some, but if they are available they will order them in from Mugen. You could also provide the part number to your local hobby shop and have them order for you as well.
COuld it be included in the packet of pulleys set?