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ECU OnlyHolley Dominator EFI ECU 554-114

Holley Dominator EFI ECU 554-114 · image 1 of 3. Supplier catalogue image. Actual part may vary by revision.

Holley

Holley Dominator EFI ECU

4.50 · 0 reviewsPart No. 554-114
$1,999.00$2,499.95Save $500.95

Supplier catalogue price in USD. Freight, duties and local delivery are confirmed in your Race Ready Depot quote.

  • In stock at supplier
  • Ships freeFrom Antioch, TN after sourcing
  • Fitment checked before dispatchSend your VIN and we verify it first
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Overview

The Holley Dominator EFI ECU 554-114 is a high-end standalone engine management system designed for street, strip, and extreme racing applications. It offers virtually unlimited control capabilities including sequential fuel and spark, integrated transmission control, dual wideband O2, drive-by-wire, boost control, nitrous, and extensive input/output options. Ideal for high-horsepower builds and complex engine combinations. ECU only – harnesses and sensors sold separately.

Features

  • Supports 4, 6, 8, and 10 cylinder engines
  • 12 sequential injector drivers (up to 24 injectors)
  • 12-channel distributorless ignition outputs
  • Integrated electronic transmission control (GM 4L60E/4L80E, Ford AODE/4R70W)
  • Dual channel wideband oxygen sensor control
  • Drive-by-wire throttle body control (up to 2)
  • Built-in boost, nitrous, and water-methanol control
  • Extensive programmable inputs and outputs
  • Internal data logging with large memory capacity
  • Fully potted for engine bay or interior mounting
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Specifications

Part number554-114
BrandHolley
DepartmentECUs & Engine Management
CategoryAir & Fuel Accessories
FitmentCompatible with 4, 6, 8, and 10 cylinder engines. Plug-and-play support for GM LS (non-VVT), GM HEI, Ford TFI, Coyote (non-VVT), 4.6/5.4 Modular, Late Model HEMI, and magnetic/hall-effect triggers. Supports integrated transmission control for GM 4L60E, 4L80E, Ford AODE, and 4R70W. Universal application for street and race builds. Requires separate harnesses, sensors, and accessories for complete installation.
Ships from USFREE
Ships internationalConfirmed in quote
Supplier availabilityINSTOCK

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