A sample from the products for the Camshaft / Valve include: Nut,hex 6mm, Retainer, Nut, Tappet, Nut,hex.,6mm.
In this schematic the "Cotter, Valve" is used most often.
The Cb550 Super Sport 550 Four Cb550f2 1977 Usa Camshaft / Valve consists of twenty-seven pieces with the Camshaft being the most expensive.