The Bolt-socket,8x40 is the lowest priced item on this Front Fork schematic.
The Front Fork assembly is constructed from several parts from which the Damper-assy,fork,lh,g is the most expensive.
Parts such as the Front Fork: Ring-snap,fork Outer, Spacer,fork Outer, Gasket,fork Cylinder (nas), Damper-assy,fork,rh,g are included in the Zx500d1 Zzr550 1993 Austria Gr Front Fork parts fiche.