The B&M flexplate has the part number stamped in it. I don't remember off hand which side but may be visible with the dust cover off.
I would think if the flexplate is full circle(no scallop cut) then the weighted converter would be correct.
Brad


Check out the Dorn's 69 Barracuda "Switchblade" in the Nov.2010 MCG
Check out the Dorn's refurbished 36 Ford in the Feb.2011 Street Rodder