You can stack the thin ones to get the thickness if you need more clearance. Soak them in water overnight and install wet then start the engine and retorque like engineguy mentions.
Or you can just buy the good Victor steel faced gasket as he recommends and forget all this nonsense.
“She may not look like much, but she's got it where it counts, kid. I've made a lot of special modifications myself.”
— Han Solo