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Don't know much about the other brands but i do know that enjuku racing uses cometic on there drift cars and im sure they are pretty beefed up cars just my 2 cents
Taken from enjukuracing.com-Cometic 1.01 Metal Head gasket Nissan SR20DET...
"This is the same headgasket used by our two Formula D drift cars running 11:1 compression with ~21 lbs of boost"
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