Hands-free automated shifting for accurate and consistent shift points. No CO2 bottle and regulator needed. Wire into any RPM switch, timer or push button and the solenoid-operated shifter makes your 1-2 and 2-3 shift. Simple conversion to your shifter eliminates the need to squeeze the factory release handle between 2nd and 3rd shift. Simple device prevents accidental activation from park or neutral into gear. Includes solenoid, handle attachments and adapters, bracket and relay. (SHIFTER NOT INCLUDED)