cometic vs. felpro 1008 head gasket

My factory iron 367LA at 11/1, with OOTB Eddies and no special deck treatment:
was last apart in 2004, so the gaskets are going on 19 years .
I can't even say for sure that the 1008s were new when I installed them, because; prior to 2004, I used to reuse them.
The 1008s have held up to anything I have thrown at them, including up to 195psi.... but I cranked on the ARP headbolts a little