Jegs 21200 Copper Head Gaskets 4.000 to 4.060 bore x .042 thick Made in the USA

Copper Head Gaskets4.000 inch to 4.060 inch bore x .042 inch thickMade in the USA For use with 7/16 inch head bolts or studs. Will need to be drilled for use with 1/2 inch head bolts or studs.