Parts such as the Cylinder Head: Clip, Valve Guide, Spark Plug (nd), Washer 5mm, O-ring,11.8x2.4 are included in the Cb450sc Nighthawk 1986 (g) Usa California Cylinder Head parts fiche.
In this schematic the "Guide,valve" is used most often.
Of all the components that make up this Cylinder Head the Screw Pan 5x8 has the lowest price.
