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The rubber Moroso`s didn`t last long for me as they tore along the outer edge w/ e-heads but, there is a fairly sharp edge on these heads so maybe w/a bit of fileing they might not tear. I use fel-pro cork gaskets and personally have better luck.



Same thing happened twice on my E heads with the Moroso's. Split along the outer rail at the headers.
I've gone back to the orange Mopar's #4027092 and RTV them to the cover (Aluminum 440 Source ones).
No leaks now.