The sub assemblies and components that make up this Second Air include this Valve Assy,air Cut, the most expensive part.
Parts such as the Second Air: Hose,2nd Air Valve, Hose,2nd Air Valve Rr, Clip, Cover,2nd Air are included in the Vzr1800z Boulevard M109r 2011 (l1) Usa Calif Canad (e03 E33 E28) Second Air parts fiche.