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Holley 554-114 Dominator EFI ECU
Holley 554-114 Dominator EFI ECU

Holley 554-114 Dominator EFI ECU

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Holley 554-114 Dominator EFI ECU
Holley 554-114 Dominator EFI ECU
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We estimate this item will ship on or before March 27th.
Part # 425554114
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  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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Dominator® EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high-end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator® systems have nearly unlimited capabilities to control any power adder, input, or output you can throw at them. Need to run a turbocharged, nitrous injected 8 cylinder running water-methanol injection? No problem with Dominator® EFI. How about control a 4L60E transmission as well as the fuel and spark on your street rod? No problem. There are also enough inputs and outputs to allow the Dominator® VMSs to serve as their own data acquisition and control module. The Dominator® VMS will eliminate the need for additional controllers as they are all contained in this one unit. The only thing limiting the Dominator® Vehicle Management System is your imagination!

  • Works with 4, 6, 8 and 10 cylinder engines
  • Ignition Plug and Play with GM LS engines (non-VVT), GM HEI, Ford TFI, and magnetic and hall effect trigger. Custom settings can be configured to allow for use with many other applications
  • Integrated electronic transmission control - Operates GM 4L60E and 4L80E transmissions with more to come in the future
  • Integrated drive by wire throttle body control - Can control two drive by wire throttle bodies. Compatible with a number of DBW throttle bodies including GM, Chrysler, Ford, and Nissan
  • Integrated dual channel wide band oxygen sensor controls - For monitoring both engine banks (NTK or Bosch sensors)
  • Extensive amount of inputs and outputs allow for limitless combination of options. Allows for unit to be used as a complete data acquisition system as well
  • Twelve sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 24 low or High impedance injectors as a standard feature. Multiple staged injector strategies
  • Twelve channel Distributorless Ignition (DIS) outputs capable of directly driving Smart ignition coils or Holley DIS coils. Will drive 2 wire coils with the addition of PN 554-112 high current coil driver module
  • Speed density, Alpha-N, Alpha-N Combination, and VE fueling strategies - Tuner has the option to select from a variety of load sensing strategies to meet their engine requirements or tuning preference
  • Individual cylinder fuel and spark control allows you to unlock your engine™s potential
  • Unique lb/hr based fueling strategy greatly simplifies and commonizes tuning
  • Advanced idle, closed loop, and enrichment strategies allow for very stable engine operation
  • 1-5 Bar MAP sensor capability - For naturally aspirated or boosted applications
  • Fuel Map and Learn Function Smoothing - Helps to smooth rough areas of the maps
  • Configurable User Password Protection - Lock your tune to prevent tampering
  • Self-tuning fuel table strategy greatly simplifies tuning process - The more you drive it, the more it learns
  • Quick Start strategies - For faster engine starting
  • Allows for use of common OEM sensors as well as custom sensor calibration input
  • Two channel knock control sensor inputs for both one or two wire knock sensors
  • Dedicated fuel and oil pressure inputs
  • Controls both stepper and PWM Idle Air Control (IAC) motors
  • 3 Rev Limiters - Choose between 4 options for each: Fuel Only, Spark Only, Fuel and Spark, or Soft
  • Traction Control - Allows power reduction via timing, nitrous percentage or boost (Requires Davis Technologies Holley Module)
  • Store and select between four calibrations with Multi Map Selector (Part Number 558-407)

Installation Instructions (PDF)

Installation Instructions (PDF)

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

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Q & A

  • Looking to replace your fuel level guage or sending unit? It's important that you have the the right guage for the right sender. Speedway has the tools to make the job easy and ensure you get the right parts the first time.

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