"Distributor Mounting Gasket" is the proper term taken from
www.partsamerica.com
They have 2 listed. I probably bought both (about $2 for both) to make sure I had the right one.
I had one of thse go out in a beretta. Cost me $150 to have it changed.
I couldnt figure out why the car was smoking, low on oil, and leaking oil. Ahhh when i was a kid...