Auto Tune Harley-Davidson CAN-bus/ Softail Power Commander VCaracteristicas: Makes it possible to adjust cruise for best fuel economy as well as larger throttle openings for peak power User can specify what air fuel ratio to make each rpm and throttle position percentage combination Includes 18mm O sensors and power connector that plugs into the bike's harness Base settings included for air fuel ratios, but are fully adjustable if need be Plugs directly into the Power Commander V with a single cable Makes