On this parts fiche the Disk Clutch (nas) is the most specified component.
The E-7 assembly is constructed from several parts from which the Outer Clutch is the most expensive.
Parts such as the E-7: Plate A,clutch, Piece,lifterjoint, Circlip,25m/m, Washer 6x19 are included in the Sl350 Japan E-7 parts fiche.