Maximus® Tuner 6-Pin Connector Harley-DavidsonCaracteristicas: Tuning features include the ability to modify front and rear cylinder fuel spark tables separately, air fuel ratio, warm up fuel, cranking fuel, closed loop, acceleration deceleration, rev limiter and the ability to restore original map Utilizes advanced hardware and software specifications to combine the most commonly used features from the Centurion Pro professional diagnostics tool as well as the Direct Link professional flash