The component with the lowest price in the STEP CB750K 79-82 schematic is the Bolt,hex., 6x16.
Of all the components used in this assembly the Step Assy,r. is the most expensive.
A sample from the products for the Step Cb750k 79-82 include: Step Assy,l., Bolt,hex.,6x16, Bar,l.step, Pin Split,1.6.