The Second Air (model K5/k6/k7/k8) is made up of components including this Valve Assy,2nd Air which is the most expensive.
The nineteen Vz800 Boulevard M50 2009 (k9) Usa California (e03 E33) Second Air (model K5/k6/k7/k8) component parts are all listed in this schematic.
The Clip is the cheapest item from this partsfiche.