Cylinder Works replacement Cylinders! - Cylinder looks just like stock - Nickel silicon carbide plated for longer life - No machine work needed * - Replacement cylinder for standard bore only * Honda CRF250R and CRF250X may require slight case modification. Kit comes with instructions. Fits: Husqvarna FC250 2016-2018 KTM 250 SXF 2016-2019 250 XCF 2016-2019