DYNOJET Auto Tune Kit - Harley-Davidson AT-131

Auto Tune Kit - Harley-Davidson 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 Oxygen 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 Vision with a single cable, Provides real-time AFR feedback to the Power Vision, Allows for semi-automated fuel corrections, Made in the USA, Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their sensor bungs.