When you are serious about Drag Racing you can't beat the competition when you still shift the normal way. An air shifter is just quicker! These Pingel Premium air shifter kits use a large shift cylinder and large switching valve assemblies for use on Harley drag racers and come with a 7/8" (22mm) handlebar bracket, DOT approved air bottle and air line. We also have a kit available with a 1" filler, pressure gauge and air button bracket, parts which are not included in the Air Shifter Kit. This filler, gauge & bracket kit must be ordered separately.