I use loctes thread sealer but and thread sealer should be ok. There are a few different head gaskets felpro has at least two that i can think of right off the top of my head 1 is the 8006. and for high compression use the 1025 then there is the detroit gasket whichis a 55002cs.

Larry/Twisted6
[oooooo] smile
Adding CFM adds boost smile
shocked God doesn't like ugly.