Jerry, the Best Gasket #502C is copper. As I recall, it is embossed - dimpled around the cylinders - not a true shim, but I would think that should work for you, since it is designed to crush.

Doug


1947 2nd-Series GMC FC152 3/4-ton
Follow the story in the DITY

1953 Chevy Bel Air Sport Coupe Powerglide