Parts such as the Cylinder Head: Guide Exh Valve, O Ring 9.0x1.6, Bolt,hs,6mm, Guide In Valve are included in the Z50r 1997 (v) Usa Cylinder Head parts fiche.
The Bolt Stud 6x32 is the cheapest item from this partsfiche.
With a quantity of two pieces, the Bolt Stud 6x32 is the most used part in the CYLINDER HEAD diagram.
