Cylinder Head Gasket

Cylinder head gaskets seal the juncture between the engine block and cylinder head(s), maintaining combustion chamber pressure and preventing coolant/oil leakage. These multi-layered steel and composite gaskets withstand extreme temperatures and pressures generated during engine operation. Layer construction typically incorporates fire rings and specialized coatings to optimize sealing performance at critical points. Variations exist to accommodate different bore sizes, combustion chamber designs, and engine materials. Proper installation with specified torque sequences is critical for reliable function and prevention of engine failure.