Kanscruzer
OK
I have some made up some & a couple oem. To make one the thickness is 12mm use a 076 gasket for a pattern you will need 12 mm longer studs that are available. the Oem have a small raised bead around port that you can live withoutAdditional flange stacked on manifold, part number 1111 121 1602. Number 7 in pic.
Thanks