Motorcycle Engine Cylinder Gasket Head Gasket for CB900F 919 CBR900RR CBR919RR 900F CBR 900RR 919RR 12251-MAS-003 Material: Steel and paper Compatibility: Designed for CBR900RR, CBR919RR, and CB900F models OEM Code: 12251-MAS-003 Package Contents: Cylinder gaskets kit This cylinder head gasket is engineered to create a secure seal between the cylinder head and engine block, helping prevent air leakage and maintain consistent engine compression.Constructed from steel and paper, the gasket supports engine performance under regular operating conditions. The design compatibility with specified motorcycle models corresponding to OEM code 12251-MAS-003.The kit includes all necessary components for a full cylinder head gasket replacement, allowing for a complete and efficient installation process.Suitable for use during engine maintenance or rebuilds, it provides a functional solution for restoring engine integrity. The gasket meets standard sealing requirements with low content at 105℃, contributing to stable in demanding environments.Its construction is intended for and long-term use in motorcycle engine applications. Compatibility Clarification: This part is not made by the brand.Mentioned models are for reference only.