CY6904 | Performance Cylinder Kit for ATV/Dirt bike 200CC air cooled engine (163FML),include piston kit and gasket,change 63.5 to 65.5MM, change 200CC to 250CC |
CY7004 | Performance Cylinder Kit for ATV/Dirt bike 250CC engine (167FMM),include piston kit and gasket,change 67MM to 70MM, change 250CC to 300CC |