Slant six clifford intake

i have a 225 with Clifford 4 bbl intake on. That intake has an open plenum. On that intake I have an aluminum adapter that is a 4 hole pattern. On top I’m running an edelbrock 1801 avs thunder series .im trying to stop that heat soak and wanted to know if anyone knows what edelbrock heat insulating gasket to use ? Not sure what gasket/adapter kit to use