for those of us who have an FE in our Cobras we need gaskets that are not used on the small blocks( breather at rear of intake,or
oil filter mount) so if you have ever gotten a complete gasket set for your FE you will find those gaskets in the kit.......however most gasket companies dont list those gaskets as "singles" because there isnt a call for them. The breather gasket is not the same as the thermastat gasket,there are 2 different thermastats used on the FE, there is a large diameter and a small diameter but they use the same gasket which should be the same gasket for the expansion tank.
so check your left over gasket sets you might be surprised what you find in there.