Check out any of the twenty-three Cam Shaft / Valve components enlisted.
Parts such as the Cam Shaft / Valve: Bolt, Seat,valve Spring Exh Inner, Seat,valve Spring Exh Outer, Valve,exhaust are included in the Gsf1200s 1999 (x) (e02 E04 E17 E18 E22 E24 E25 E34) Cam Shaft / Valve parts fiche.