hey m8 i am using d comp plate on zetec turbo conversion the head gasket is the same thing but lots more work,i think u have to get both surfaces skimed block&head then use a small amount of some h/t sealent(eg curil t or other)

when doing zt conversion i only use on plate to block but i still use head gasket to seal block to head,if in dought give feriday engineering a call on01785621710 tomorrow i hope this helps