i found supposeably 2 N.O.S. GM factory head gaskets and i have a question for those who have first hand experience on these please.

is the factory 292 head gaskets a solid thin metal gasket or are they composite/steel made ? i have a new victor rentz gasket but i,d rather use a GM origial gasket because it might be thinner. any of you fellas share some info on this for me please before i buy them ?
thanks a bunch
bob


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