a dual master set-up with a balance bar, yes Wilwood makes the short masters with about an 1 inch throw.
If you are speaking of a tandum style, I do not know of anyone doing that.
You could probably move the master over and use a linkage like this.
http://www.moderndriveline.com/catal...ic_masters.htm
Peter is doing a 69 and the master was moved over and he is using a link like this.