Stealth SuperTuner - for Delphi Fuel Injected Harley Davidson Motorcycles w/J1850

Fits Dephi Injected HD Motorcycles w/J1850 4 Pin Connector
Dyna Models- 2004-2012
Softail Models- 2001-2011
Sportster Models- 2007-2013
Touring Models- 2001-2013

PART# 140100

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For Customer Support Call 844-869-4053 Download the ACCEL Spark software for ACCEL SuperTuners.


ACCEL continues to be a leader in the Powersports category with a variety of performance options.


  • Limited Lifetime Warranty
  • Easy to use - No dyno sessions, calibrations, or learning - Just Plug-N-Play
  • No wiring to install
  • No parts to add and leave on your bike
  • Plugs right into your data connector. Try as many combinations as you want
  • Choose from 100’s of popular Stage 1 combinations.
  • Download your stock tune into the SuperTuner, then upload your new performance tune
  • No expensive return trips to the dyno when you make a change
  • Download new updates for free over the internet (USB Cable included)
  • Reads and clears diagnostic trouble codes for easy troubleshooting
  • Eliminates Throttle-By-Wire Lag - No more hesitation
  • 2 Part Numbers cover all Fuel Injected Harleys 2001-Up


BrandACCEL Motorcycle
Emission Code3
Product TypeMotorcycle Tuner
Part Number140100

Service Parts


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

Tech Resources

For Customer Support Call 844-869-4053 Download the ACCEL Spark software for ACCEL SuperTuners.

    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

    Some parts are not legal for use in California or other states with similar regulations.