valve cover gaskets

Cork, rubber, cork/rubber, or steel core?
Getting ready to change valve covers , chrome plated steel. Long time since change, What's best to use?

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Cork, rubber, cork/rubber, or steel core?
Getting ready to change valve covers , chrome plated steel. Long time since change, What's best to use?

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I like the rubber coated cork. I used it on my oil pan and on my chrome valve covers that are supposed to be near impossible to get to seal up. I didn't even use any gasket maker on the chrome valve covers, haven't had one drip.

roe