The Nut, Tappet. is the cheapest item from this partsfiche.
Parts such as the Camshaft - Valve: Shaft, Rocker Arm, Seal,vlv Stem, Seat,vlv.spg.oute, Retainer,vlv,spg are included in the Z50jp Monkey Japan Camshaft - Valve parts fiche.
The Honda CAMSHAFT - VALVE has sixteen products enlisted in the schematic.