Big-Block Chevy Head Gasket 396/402/427/454/502 Mark IV & Bow Tie Bore: 4. 320" Compressed Thickness:. 040" Compressed Volume: 9. 61cc Sold Individually Model # C5816040 Features: 396/402/427/454/502 Mark IV & Bow Tie Bore: 4. 320" Compressed Thickness:. 040" Compressed Volume: 9. 61cc Sold Individually.
