ATLAS COMPOSITE COPPER HEAD GASKET

OUTER LAYER OF THIN COPPER SANDWICHING GASKET PAPER WITH COPPER EYELETS ROUND BORES AND PUSHROD TUNNELS.  THIS GASKET IS FOR THE ATLAS WITH THE SPIGOTTED BARREL AND 5/16" HEAD BOLTS.  IE EARLIER ONES.  IT IS .048" (1.2MM) THICK, PROBABLY COMPRESSES TO .040" (1MM).  UK MADE.