Of all the components used in this assembly the Tachometer Assy is the most expensive.
The lowest price component in this Optional Parts Rigging Accessories - Component Parts parts-list fiche is the Nut, Hexagon (663).
A sample from the products for the Optional Parts Rigging Accessories - Component Parts include: Sender (with Hose L:6m/d:4mm), Plate, Fitting, Tachometer Assy, Ybs67-5 Washer, Spring.