The component with the lowest price in the WIRE HARNESS - IGNITION COIL schematic is the Nut,flange,6mm.
A sample from the products for the Wire Harness - Ignition Coil include: Coil,r Ignition, Coil,l Ignition, Clip,thro Cable, Nut,flange,6mm.
Of all the components used in this assembly the Harness,wire is the most expensive.