This 2ND AIR (MODEL W E18, E39) assembly utilises eight Stud Bolt(s) - the highest specified component.
Parts such as the 2nd Air (model W E18, E39): Bracket,second Air Valve, Hose,2nd Air Valve No.2, Hose,2nd Air Valve No.1, Hose,2nd Air Cleaner are included in the Gsxr750 1998 (w) (e02 E04 E18 E22 E24 E25 E34 E39) 2nd Air (model W E18, E39) parts fiche.