Description Specifications Fitment Description Includes cylinder, piston kit and gaskets Replacement standard bore cylinder, piston, and ring sets available Cylinder looks just like stock Nickel silicon carbide plated for long life No machine work needed PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov Specifications SKU WPS-422-11003K MPN 11003-K01 Type Helmets Fitment