Ditto on Gasket City. I got the last valve grind gasket set he had in stock for Ed's 503 about 3 years ago, but at that time he had ONE head gasket left for the same engine. I believe the 426 and the 503 use the same head gasket, but I'm not sure of that.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!