S410195001005 Cylinder head gasket. Knuckle

Keeping a vintage Knucklehead sealed tight requires quality materials, and these Athena cylinder head gaskets are up to the task. Sold as a pack of ten, these 1mm thick gaskets fit 1936 to 1947 E, EL, F, and FL models with 1000cc or 1200cc displacements. They are constructed from Athena’s MotorGasket M0115 material, which features a central steel layer sandwiched between aramid fibers and NBR rubber. This design offers excellent resistance to thermal stress, oils, and fuels while adhering perfectly to the head and cylinder surfaces. The blue PTFE coating ensures a superior seal for high-stress internal combustion environments. These are a reliable replacement for OEM 16770-36, providing the mechanical strength needed for classic Knucklehead engines.