Quote:
Originally Posted by Jay S
Butler’s composite gaskets crush to around .042”. to .044” thick.
Blue felpro crush to about .045”, most cheaper head gaskets crush to .045” also.
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Aren't the felpro head gaskets .039? not much of a difference, but thats what the specs show for the cheaper blue & the better permatorq ones with the metal ring.
https://www.summitracing.com/parts/f...6/make/pontiac