On this parts fiche the Cotter,valve is the most specified component.
Parts such as the Camshaft/valve: Retainer,valve Spring, Chamber,valve Lash Adjuster, Washer(16x26x1), Seal,oil(7x14.4x9) are included in the Vl1500 Boulevard C90 2008 (k8) Usa (e03) Camshaft/valve parts fiche.
The Pin(5x8) is the lowest priced item on this Camshaft/valve schematic.