Those gaskets used to come with a small tube of blue or green sealant and a little metal handled paint brush. It sure "looked" like Indian Head gasket sealer that comes in the little brown bottles (most part stores)

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"