Sale

Ignitions and Electrical Computers, Chips, Modules and Programmers

Holley

HOLLEY EFI DOMINATOR ECU

$2,699.95 $2,399.95 Save $300.00

SKU: H00E 554-114

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley Dominator® EFI Vehicle Management System is an advanced ECU designed for non-emissions street and racing applications. It offers extensive control capabilities for various power adders, inputs, and outputs, eliminating the need for multiple controllers. It features integrated electronic transmission control for GM 4L60E, 4L80E, Ford AODE, and 4R70W transmissions, and integrated drive-by-wire throttle body control for compatible GM, Chrysler, Ford, and Nissan throttle bodies. The system also includes dual-channel wideband oxygen sensor controls, a wide range of inputs and outputs for data acquisition, and support for up to 24 injectors.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHolley
Part NumberH00E 554-114
Weight5.6 lb

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy