After installation you have two options: -Use your Kill Bill Switch like an ignition switch

Sportster and 1971-1991 FX

This allows you to simply bolt a different gas tank in place of your stock one without having to modify your bike or weld new mounts on the frame

keeping the design in line with your bike

Set includes gears

#2811-13 Instrument Panel Light Switch Kit 1936-1945 Harley-Davidson Big Twin/45s - CAD Plated Subcategory_Velocity Stacks After installation you have twoCadmium plated accurate reproduction of all parts except for switch knob. Fits 1939 1946 Big Twins and 45s. See Colony catalog for switch knobs. Made in Ohio, USA.