Of all the components used in this assembly the Head Assy,cylinder Rr is the most expensive.
Parts such as the Rear Cylinder Head (model K6/k7/k8): Gasket,breather Cover (nas), Bolt, Pin(8.4x11x14), Cover,breather are included in the Vl800c Boulevard C50 2007 (k7) Usa California (e03 E33) Rear Cylinder Head (model K6/k7/k8) parts fiche.
The most reasonably priced component used on the Vl800c Boulevard C50 2007 (k7) Usa California (e03 E33) Rear Cylinder Head (model K6/k7/k8) is the Bolt.