Head Gasket

Head gaskets seal the combustion chambers between the cylinder head and engine block, preventing leakage of combustion gases, coolant, and oil. These multi-layered steel and composite components withstand extreme temperatures and pressures generated during engine operation. Variations exist for different engine families and bore/stroke configurations, dictating precise dimensions and material compositions. Modern designs often incorporate features like multi-layer steel (MLS) construction, Viton® coating, or fire rings to enhance sealing performance and durability. Proper torque sequencing and gasket preparation are critical for successful installation and long-term reliability.