The component with the lowest price in the FRONT FORK ('80 B1) schematic is the Washer-spring,8mm.
Some items from this specific schematic: Bolt, Fork Cylinder, Damper Rubber,fk Cov, Cap,rubber,fork Top, Spacer,fork.
This schematic depicts all components used in the Kz440b1 1980 Usa / Mph Front Fork ('80 B1) partslist.