The Fuel Cock is made up of components including this Cock Assembly,fuel which is the most expensive.
Parts such as the Fuel Cock: Clip, Spring, Cock Assembly,fuel, Bolt(6x20) are included in the Gsxr750 1988 (j) (e04 E15 E18 E25 E34 E75 E76 E79) Fuel Cock parts fiche.