Motorcycle Engine Cylinder Gasket Head Gasket for CBR900RR CBR954RR CBR 900 954 12251-MCJ-751 12251-MCJ-752 The cylinder gasket is designed to enhance sealing between the cylinder head and the cylinder block, compensating for irregularities.It ensures a secure seal to prevent air leakage when the engine is running, supporting proper compression and engine.A damaged gasket can lead to air leaks, reduced compression, and difficulty starting the engine. This gasket set fits models CBR900RR, CBR954RR, CBR 900, and CBR 954 from 2002 to 2003.Compatible with OEM codes 12251-MCJ-751 and 12251-MCJ-752.The package includes the selected gasket set as specified during purchase. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.