Some items from this specific schematic: Pin,dowel (603), Shift Cam Assy, Circlip, Fork, Shift 2.
The Pin,dowel (603) is the most widely applied product in the GT80 1980 USA SHIFT CAM - FORK ( four times ).
The Shift Cam - Fork assembly is constructed from several parts from which the Shift Cam Assy is the most expensive.