This Chain,camshaft Drive(120l) is the most expensive of the items that make up this Cam Chain assembly.
Parts such as the Cam Chain: Bolt,cl.cover, Screw, Guide,cam Chain, Bolt are included in the Gs500e 1991 (m) (e01 E02 E04 E15 E16 E17 E21 E22 E24 E25 E34 E39 Cam Chain parts fiche.
On this parts fiche the Screw is the most specified component.