If you're very conscientious about your tune then you can install come Cometic gaskets. Be advised: Cometics do not "give". If you get detonation then the next weakest link in the chain will pay the price (valves, seals, pistons, bearings, etc). Otherwise... regular ole Felpros will do very well.
Corteco head gaskets are the bomb, You can get them at Carquest, A head set runs $75. I will also state that corteco gaskets are coated with sealer to help seal up that 302. I use them in my 10 sec 65 nova 496ci (ya I know boooo on chevy, here comes the flame)
Not to mention that there's also additional machine work required on both the head and block deck surface for Cometics. Neglected to mention that in my first post.