Variant 1
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- SW upgrade
- 176PQ007-001
- Calibration
- 176PQ007-001
HARLEY DAVIDSON · J1850 ECU
HARLEY DAVIDSON NIGHT ROD SPECIAL J1850 tuning files
Tuning file coverage for the HARLEY DAVIDSON NIGHT ROD SPECIAL running the J1850 ECU. Across the matched variants stock power runs from 125 to 125 HP. 9 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Solutions that apply to the J1850 on this vehicle platform. The exact set depends on the specific engine and software version.
Engine variants & ECU software
9 distinct variants for the HARLEY DAVIDSON NIGHT ROD SPECIAL on the J1850 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- SW upgrade
- 32777-05E
- Calibration
- 32777-05E
Variant 3
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- SW upgrade
- 32372-06D
- Calibration
- 32372-06D
Variant 4
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- ECU SW
- 34206-06A
- SW upgrade
- 32372-08A
- Calibration
- 32372-08A
Variant 5
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- SW upgrade
- 176ZL001-000
- Calibration
- 176ZL001-000
Variant 6
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
Variant 7
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- ECU SW
- 34206-06A
Variant 8
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- ECU SW
- 34206-06A
- ECU HW
- 32852-07
- SW upgrade
- 176MV003-000
- Calibration
- 176MV003-000
Variant 9
ECU- Catalog engine
- 1250cc 125HP
- Controller brand
- DELPHI
- ECU
- J1850
- Stock power
- 125 HP
- ECU SW
- 34206-06A
- ECU HW
- 32852-07
- SW upgrade
- 34205-06C
- Calibration
- 34205-06C
Related vehicles
Other vehicles built on the J1850 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the HARLEY DAVIDSON NIGHT ROD SPECIAL on the J1850?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the J1850 ECU software on this model?
Yes — the HARLEY DAVIDSON NIGHT ROD SPECIAL on the J1850 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.
How is the file delivered?
Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.