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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories

Vance & Hines Fuelpak FP4 for 2011-2020 Softail, 2012-2017 Dyna, 2014-2020 Touring, 2014-2022 Sportster, 2015-2020 Street 500/750 (Excl. CVO Models) (66045)

  • Vance & Hines Fuelpak FP4 for 2011-2020 Softail, 2012-2017 Dyna, 2014-2020 Touring, 2014-2022 Sportster, 2015-2020 Street 500/750 (Excl. CVO Models) (66045)
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UK stock Estimated shipping date 29 May.

In stock

All orders are shipped out of our UK premises. Estimated shipping date 29 May.


1 available in UK warehouse / 67 sold

From the team that brought you The Fuelpak FP3, the best-selling ECU tuner in the world for Harley-Davidson motorcycles, the Vance & Hines FP4 is the most intuitive tool on the market, giving you the power to control your motorcycle’s tune, view live sensor data, read and clear trouble codes, utilize a live sensor data display, and offers best in industry support from our FP4 technicians, all from your smartphone.

The Vance & Hines FP4 brings our legendary fuel tuning and performance to your 2014-2022 Sportster (Excluding RH1250) 2011-2020 Harley-Davidson Touring, Softail and Street models, with all new features, and the ease of use you expect from Vance & Hines.

  • Connects bluetooth with your smartphone, either Android or iPhone.
  • The OEM fuel map will be stored in the FP4 so the ECU can always be returned to OEM factory condition.
  • Slimmer and smaller than the previous generation’s for installation in even tighter places.
  • Slightly longer wiring harness will allow more installation options.

The new rider interface makes navigating the app a breeze and the new navigation bar allows you to access the Main Menu, Live Sensor Data, System Info, and Customer Support Menus from anywhere within the FP4 App.

The Live Data screen has also been reworked with a new look and an extra gauge, so you can see more data.

The all-new Performance Log feature brings another level of control and insight. Select from three data logging settings to control how long you want to record, go for a ride, then dig into your data with the ride-activated chart.

The Performance Data feature will also use your phone’s onboard GPS to map out and record that same ride, allowing you to see just how long that route took you to complete, your 0-60 time on that one stretch of road, or how fast you took that hairpin turn.

Riders will be able to select from a vast library of Vance & Hines maps made for their specific model with real parts on real bikes in their Santa Fe Springs CA dyno-tuning facility. Riders will be able to further modify and develop those maps through a number of customization options found in the Vance & Hines FP4 App.

You will not be able to use the same FP4 on another bike. The OEM fuel map is stored in the FP4, therefore the ECU can always be returned to the OEM factory set-up.

Note: The FuelPak FP4 allows you to disable the additional O2 sensors found on the new models without triggering trouble codes. This will enable you to use exhaust mufflers of earlier models that are not equipped with an O2 sensor connection.


  • 2011-2013 & 2016-2020 CVO SOFTAIL
  • 2012-2013 CVO DYNA
  • 2022-2024 SPORTSTER S RH1250S

Download the intuitive FP4 app to your compatible iOS or Android device and wield the power to tune your bike right in your pocket.

Specifications +

Units: Each
Product Name: Tuning Module
Programming: Autotune| Downloadable Maps| Pre-Programmed| Programmable
Physical Connection: Plug-In (OEM Style Connectors)

Features +

Monitor your ride

Keep an eye on your motorcycle’s vitals right in the Vance & Hines FP4 app. The ability to read and diagnose trouble codes, as well as the ability to view live sensor data in real-time will allow you to keep a finger on the pulse of your machine, and the all-new Performance Data logger gives you more data to access than ever before.


The improved AutoTune feature is a powerful tool that allows you to tune your bike while you ride using data collected from the stock O2 sensors for any air cleaner and exhaust combination you can throw at it. Simply flash the bike into AutoTune mode, enjoy your ride, and flash the collected data back into your ECM once you’re back home.

Advanced Tuning

For advanced users, the FP4 gives you full access to critical ECU tables right in the app. Change your idle RPM, raise your rev limit, or adjust tables including VE, Target Air Fuel Ratio, and Spark Advance, all from your smartphone.

For advanced users, the FP4 gives you full access to critical ECU tables right in the app. Change your idle RPM, raise your rev limit, or adjust tables including VE, Target Air Fuel Ratio, and Spark Advance, all from your smartphone.

Videos +

Part numbers +

  • 66045
  • 951594
  • 10203962
  • 1020-3962

Fitment +

  • Dyna Switchback - FLD: 2012-2016
  • Softail Deluxe - FLDE: 2018-2020
  • Softail Fat Boy 114 - FLFBS: 2018-2022
  • Softail Fat Boy - FLFB: 2018-2020
  • Softail Heritage Classic 114 - FLHCS: 2018-2022
  • Softail Heritage Classic - FLHC: 2018-2022
  • Road King - FLHR: 2014-2022
  • Road King Classic - FLHRC: 2014-2019
  • Road King CVO/SE - FLHRSE6: 2014
  • Road King Special - FLHRXS: 2017-2022
  • Electra Glide Standard - FLHT: 2019-2022
  • Electra Glide Ultra Classic - FLHTCU: 2014-2019
  • Electra Glide Ultra Classic Low - FLHTCUL: 2015-2016
  • Tri Glide Ultra Classic - FLHTCUTG: 2014-2022
  • Tri Glide Ultra Classic CVO/SE - FLHTCUTGSE: 2020-2022
  • Electra Glide Ultra Limited - FLHTK: 2014-2022
  • Electra Glide Ultra Limited Low - FLHTKL: 2015-2019
  • Electra Glide Ultra Limited CVO/SE - FLHTKSE: 2014-2021
  • Street Glide - FLHX: 2014-2022
  • Street Glide Special - FLHXS: 2014-2022
  • Street Glide CVO/SE - FLHXSE: 2015-2022
  • Street Glide ST - FLHXST: 2022
  • Freewheeler - FLRT: 2015-2022
  • Softail Slim - FLS: 2012-2017
  • Softail Sport Glide - FLSB: 2018-2022
  • Softail Slim - FLSL: 2018-2021
  • Softail Slim - FLSS: 2016-2017
  • Softail Heritage Classic - FLSTC: 2011-2017
  • Softail Fat Boy - FLSTF: 2011-2017
  • Softail Fat Boy Lo - FLSTFB: 2011-2017
  • Softail Fat Boy S - FLSTFBS: 2016-2017
  • Softail Deluxe - FLSTN: 2011-2017
  • Softail Deluxe CVO/SE - FLSTNSE: 2014-2015
  • Cross Bones - FLSTSB: 2011
  • Softail Convertible CVO/SE - FLSTSE2: 2011
  • Softail Convertible CVO/SE - FLSTSE3: 2012
  • Road Glide Limited - FLTRK: 2020-2022
  • Road Glide CVO/SE - FLTRKSE: 2022
  • Road Glide Ultra - FLTRU: 2016-2019
  • Road Glide Ultra CVO/SE - FLTRUSE2: 2015-2016
  • Road Glide Custom - FLTRX: 2015-2022
  • Road Glide Special - FLTRXS: 2015-2022
  • Road Glide CVO/SE - FLTRXSE: 2018-2022
  • Road Glide ST - FLTRXST: 2022
  • Softail Street Bob - FXBB: 2018-2022
  • Softail Breakout - FXBR: 2018-2020
  • Softail Breakout 114 - FXBRS: 2018-2022
  • Softail Rocker C - FXCWC: 2011
  • Dyna Street Bob - FXDB: 2012-2017
  • Dyna Street Bob Limited - FXDBA: 2013
  • Dyna Street Bob Limited - FXDBB: 2014-2015
  • Dyna Street Bob Limited - FXDBC: 2016
  • Dyna Street Bob Police - FXDBP: 2013-2016
  • Dyna Super Glide Custom - FXDC: 2012-2014
  • Dyna Fat Bob - FXDF: 2012-2017
  • Dyna Low Rider - FXDL: 2014-2017
  • Dyna Low Rider S - FXDLS: 2016-2017
  • FXDR 114 - FXDRS: 2019-2020
  • Dyna Wide Glide - FXDWG: 2012-2017
  • Softail Fat Bob - FXFB: 2018-2019, 2021
  • Softail Fat Bob 114 - FXFBS: 2018-2022
  • Softail Low Rider - FXLR: 2018-2020
  • Softail Low Rider 114 - FXLRS: 2020-2022
  • Softail Low Rider ST - FXLRST: 2022
  • Softail Blackline - FXS 1584: 2011-2012
  • Softail Blackline - FXS 1690: 2012-2013
  • Softail Breakout - FXSB: 2013-2017
  • Softail Breakout CVO/SE - FXSBSE: 2013
  • Softail Breakout CVO/SE - FXSBSE2: 2014
  • Softail Breakout Pro Street CVO/SE - FXSE: 2016-2017
  • Softail Standard - FXST: 2011-2015, 2020
  • Night Rod Special - VRSCDX: 2011-2012
  • Street - XG 500: 2015-2020
  • Street - XG 750: 2015-2020
  • Street Rod - XG 750 A: 2017-2020
  • Sportster Custom - XL 1200 C: 2014-2020
  • Roadster - XL 1200 CX: 2016-2020
  • Sportster 1200 Iron - XL 1200 NS: 2018-2021
  • Sportster Super Low - XL 1200 T: 2014-2020
  • Sportster Seventy-Two - XL 1200 V: 2014-2016
  • Sportster Forty-Eight - XL 1200 X: 2014-2022
  • Sportster Forty-Eight Special - XL 1200 XS: 2018-2020
  • Sportster SuperLow - XL 883 L: 2014-2020
  • Sportster Iron - XL 883 N: 2014-2022
  • Sportster Roadster - XL 883 R: 2014-2015

Delivery +

All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.

Reviews +

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