Engine Kit Bike Motor Bore 50mm Window Piston Pin Kit Upgraded Version Compatible with 100cc

50mm Engine Motor Window Piston Pin SetSuitable for 100cc Bike MotorDimensions as shownType: BorePackage Included1 x 100cc Engine Motor Window Piston Pin Set(Needle Bearing Baffle is not a necessary part, it is a spare part, not using it will not affect the normal of the piston)TOP: MZ0236Concern Chemicals: None

• Applicable models: This upgraded kit is compatible with 100cc bicycle motors and is suitable for users who pursue performance improvement.
• Enhanced power: The 50mm bore piston design increases the compression ratio, improves combustion efficiency, and thus enhances engine output power.
• : The pistons, pins and other components in the kit are made of wear-resistant , which can better cope with temperature and pressure environments and extend service life.
• Precise matching: Each part is precisely sized to ensure a good match with the engine components, improving the convenience and stability of installation.
• Performance upgrade: The upgraded design can significantly improve engine performance, suitable for modification and upgrade needs, and bring a better riding experience.