The Nut, Lower Lh is the most widely applied product in the GSX400S 1981 (X) UNITED KINGDOM FRANCE GERMANY (E02 E04 E22) CHAIN CASE - SHOCK ABSORBER ( four times ).
Parts such as the Chain Case - Shock Absorber: Case,chain, Washer, Outer (10.5*24*3.2), Washer (12.5x24x3.2), Washer are included in the Gsx400s 1981 (x) United Kingdom France Germany (e02 E04 E22) Chain Case - Shock Absorber parts fiche.