Of all the components used in this assembly the Tachometer.assy is the most expensive.
Of all the components that make up this Meter/horn/key Set (excep T Xl125s-cm) the Screw,4x30 has the lowest price.
This METER/HORN/KEY SET (EXCEP T XL125S-CM) assembly utilises four Screw,4x30(s) - the highest specified component.