The sub assemblies and components that make up this Rear Caliper include this Caliper Assembly,rear, the most expensive part.
Parts such as the Rear Caliper: Spring, Seal Set,piston, Clip,pad Pin, Pad Set (nas) are included in the Gsxr750 1999 (x) Rear Caliper parts fiche.
On this parts fiche the Bolt,housing is the most specified component.