The most reasonably priced component used on the Z50jy Monkey Japan Cylinder Head is the Bolt Stud 6x32.
A sample from the products for the Cylinder Head include: Bolt,hs,6mm, O Ring 9.0x1.6, Gasket,cylinder H (nas), Guide In Valve.
This Head Comp.,cyln. is the most expensive of the items that make up this Cylinder Head assembly.