sweet,
i dont get it tho? why would they build a sprung center clutch if the kit is ment to go with a dual mass,
i think u have just confused them that its ment to me sprung? and there fixing the problem for you.
cos i very much doubt they would build a clutch set for people with custom solid flywheels, if they did-theyd only sell one in there lifetime and that would be to you!.

i hope they can build you one, fingers crossed,because clearance for the springs may be an issue