V&H Fuelpak Fp3 (4pin)

The Fuelpak FP3 is the best-selling ECU tuner in the world for Harley-Davidson motorcycles because it is the most intuitive tool on the market, giving you the power to control every aspect of your motorcycle’s tune, view live sensor data, calibrate your speedometer, read and clear trouble codes, and offers best in industry support from our FP3 technicians, all from your smartphone.

The Fuelpak FP3 also backs up your OEM calibration and gives you access to Vance & Hines’ library of thousands of dyno-tuned maps, made by our trained dyno technicians and designed for any combination of performance exhausts and air cleaner components.