Of all the components that make up this E-10 the Bolt,hex.,5x6 has the lowest price.
Some items from this specific schematic: Stator Comp.(nd), O Ring 107x2, Clamoper Pulser C, Bolt,flange,6x22.
With a quantity of two pieces, the O-ring,6x1.7 is the most used part in the E-10 diagram.