Motorcycle Engine Cylinder Gasket Head Gasket fits models compatible with OEM code 12251-MAL-601.This gasket set is designed to enhance sealing between the cylinder head and cylinder block, compensating for flatness variations to ensure a secure fit.It helps prevent air leakage when the engine is running, maintaining proper compression for engine performance.A damaged gasket can lead to compression loss and difficulty starting the engine.This gasket is suitable for use on certain CB600F Hornet, CB600S F2 Hornet S, CBR600F, CBR600F2, and CBR600F3 models manufactured between 1991 and 2006.The package includes the selected gasket set based on your choice. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.