273 copper head gaskets SCE

SCE makes a Titan head gasket that has a built in fire ring in between the top and bottom gasket surface and printo seal neoprene around the water and oil passages.
https://www.scegaskets.com/wp-content/uploads/2020/11/ICS-TITAN-INSTALLATION-INSTRUCTIONS.pdf
So then the answer is "yeah" they must have some kinda wire "somewhere".