Q: Advice on buying cover gaskets

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Are stone valve cover gaskets good?

I’ve never heard of stone valve cover gaskets. I’m assuming you don’t mean valve cover gaskets that are made out of stone, because that wouldn’t be good at all. They would not seal. But if there is a brand, do a little research on it. I’ve never personally seen them. If you want the best valve cover gasket, get the new ones that are made of silicon rubber. They are the absolute best and all good auto parts stores sell them. So go with the rubber ones, they are the best. They last the longest and they seal the longest. And if those stone ones are silicon, go ahead and buy them. But do some research first to see what they are made of. If you want all of this, from selection to installment, to be taken care of for you, a certified mechanic from YourMechanic can come to your home or office to replace your valve cover gasket for you.

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