Edelbrock head gasket set #7359 fits 1958–1965 Big-Block Chevy W-series 348/409 engines and is supplied as a pair. The gasket is specified with a 4.500" bore, 0.0435" compressed thickness and a 12.20 cc combustion volume, providing the correct sealing dimensions for W-series Chevy top-end rebuilds in the stated model years.
Edelbrock Head Gasket Set W-Series Chevy 348/409