The JE Pro Seal head gasket for Chrysler 289/302/351W (non SVO) fits a 4.03 inch bore and uses a 0.039 inch thickness for correct sealing. Offered as a direct-fit replacement for small-block Mopar engines in rebuild and repair work, it restores proper head-to-block sealing when bore and thickness match original specifications. See JE reference C5511-040 for confirmation.
JE Pro Seal Chrysler 289/302/351W non SVO 4.03in 0.039in Head Gasket (ref C5511-040)