John,
Here is Best Gaskets webpage Vintage Engine gaskets.
https://bestgasket.com/vintage-engine-gaskets/
They also make CUSTOM gaskets.
You can find a link on the page above
Fel Pro makes a gasket 7013
Version R4 is for over size bores as I remember.
Better yet check out Vince Falters info on Fordgarage.com.
As always .. most helpful.
http://www.fordgarage.com/pages/ABcy...asketguide.htm