Features: Cylinder kit includes matching Vertex pistons to ensure longevity, performance and reduced engine noise. Cylinders have a nickel silicon carbide cylinder sleeve . Look virtually identical to OEM cylinders . Kit includes cylinder, pistons, rings, pin, clips and gaskets. Made in the USA. Cylinder does not require machine work (unless noted).. Kit Includes: • Cylinder • Piston Kit • Top-End Gasket Kit.