I went with the Percy Deadsoft Aluminum gaskets for my 454 - course I haven't fired it yet, but they sure look like they ought to work excellent. Given they way the compress, I can't see how they could leak.
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1970 Blazer with a 400 sbc and 4" lift
1980 Pontiac Trans Am, 455 Oldsmobile
2012 Kawasaki Concours 14
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