Of all the components that make up this Footrests ('79-'80 A3/a3a/a4) the Nut,10mm has the lowest price.
On this parts fiche the Nut,cap,lock,8mm is the most specified component.
Parts such as the Footrests ('79-'80 A3/a3a/a4): Nut,10mm, Bracket-step, Nut,10mm, Step,footrest,fr.l.h are included in the Kz1000a2 Kz1000 1978 Canada Footrests ('79-'80 A3/a3a/a4) parts fiche.