The eleven Gsx1300r Hayabusa 2008 (k8) Usa (e03) Crank Balancer component parts are all listed in this schematic.
Parts such as the Crank Balancer: O Ring(d:1.9,id:16.8), Bolt, Bolt(6x20), Gear,crank Balancer are included in the Gsx1300r Hayabusa 2008 (k8) Usa (e03) Crank Balancer parts fiche.
The Crank Balancer assembly is constructed from several parts from which the Balancer,crank is the most expensive.