METCO Supercharger Pulley Hub 1999-2004 Lightning, 2003-2004 Mustang Cobra This precision-machined steel press-on pulley hub is the same as the hub included with the Metco Motorsports interchangeable supercharger pulley kit for the Cobra & Lightning. This hub is available separately as a service part or for pulley kit owners with multiple vehicles. The pulley hub is black-oxide coated for long lasting surface protection. Kit includes (1) supercharger pulley hub, and (4) pulley ring fasteners.