Includes CNC machined billet base and removable billet 12-point gas capTop is CNC machined from solid billet aluminum Drastically easier to refuel gas tank. Factory gas caps open from one side only, resulting in limited fill angles and having to adjust handlebars when refuelingPremium Viton® seals for long-term durability and resistance from high temperaturesUtilizes factory venting system, for factory function with custom look