Parts such as the Shift Cam - Fork: Segment, Shift Cam, Brg,cyl-cal Roller 12g Ky, Fork, Shift 1, Pin,dowel (168) are included in the Dt175 1981 (b) Usa Shift Cam - Fork parts fiche.
The component with the lowest price in the SHIFT CAM - FORK schematic is the Circlip(2r6).
The most expensive part in this assembly is the Shift Cam Assy.