The most reasonably priced component used on the Vz800z Boulevard M50 2009 (k9) Usa California (e03 E33) Air Cleaner (model K5/k6/k7/k8) is the Clip.
Some items from this specific schematic: O Ring, Clip, Clamp, Tube,inlet.
This AIR CLEANER (MODEL K5/K6/K7/K8) assembly utilises three Bolt(s) - the highest specified component.