The Frame assembly is constructed from several parts from which the Frame Comp is the most expensive.
On this parts fiche the Bolt,seat Rail is the most specified component.
Parts such as the Frame: Spacer,engine Mounting, Bolt,crank Case Adjust, Frame Comp, Rail,seat(black) are included in the Gsxr1000 2004 (k4) Usa (e03) Frame parts fiche.