Parts such as the Front Brake Caliper: Disc, Brake (right), Bolt, Washer Based (29l), Screw(36f), Cover 1 are included in the Xt350'88 1988 55v0 Greece 1855v-300e1 Front Brake Caliper parts fiche.
The component with the lowest price in the FRONT BRAKE CALIPER schematic is the Bolt (34l).
This FRONT BRAKE CALIPER assembly utilises six Bolt (34l)(s) - the highest specified component.