does anyone know a part number for the transmission pump stator sealing rings? they are made of brittle iron and a tang broke while trying to install. there are 2 small ones (approx 2" dia), and 2 big ones (approx 2.75" dia). i was able to install the small ones, but the big one's tangs snapped. these came in master rebuild kit and are the same material as the originals. i also have a transgo shift kit that came with teflon replacements for the small ones, but not the big ones (arrrggghhh!).

please help.