Of all the components used in this assembly the Outer Comp,clutch is the most expensive.
The component with the lowest price in the E-8 schematic is the Bolt,flange 6x18.
Some items from this specific schematic: Ring,clutch Spg S, Nut,lock 40mm, Disk,b Clutch Fri (nas), Washer,22.2x35x2..
