727 4 CLUTCH DIRECT DRUM

This may not be what you are looking for, but Pat Blais has it, and he is a good guy and will guarantee quality. Pat likely has more performance 727 cores from 340s to Hemi than anybody. You can contact him through this link as he never set up a web site just make contact and deal directly if you prefer.
https://www.ebay.com/itm/371817328657?hash=item56920a3011:g:eMAAAMXQQQhRcMsa