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Holley EFI 554-114LW Lightweight Dominator ECU Engine Management System

Manufacturer

Picture for manufacturer Holley EFI

Part Number

554-114LW
7 reviews
Sale Price

$2,649.95

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Holley EFI 554-114LW Lightweight Dominator ECU is a professional-grade engine management system designed for high-performance racing applications where weight savings is critical. This compact yet powerful ECU delivers the full capabilities of the Dominator platform in a lighter package ideal for weight-sensitive builds.

Key Features:

  • Works with 4, 6, 8, and 10 cylinder engines for versatile application compatibility
  • Advanced turbocharger boost control with closed-loop feedback
  • Dedicated fuel and oil pressure inputs for critical engine monitoring
  • Lean or rich safety cutoff protection prevents engine damage
  • Controls both stepper and PWM Idle Air Control (IAC) motors
  • "Quick Start" strategies provide faster and more reliable engine starting
  • Configurable nitrous oxide control for both "wet" and "dry" systems with closed-loop feedback
  • User programmable caution and warning outputs for all sensor inputs
  • Fully configurable tables including 1D, 2D, 1D per gear, and 2D per gear options
  • Advanced tuning ICF (Integral Cylinder Fueling) for precise per-cylinder fuel control
  • Parameters adjustable based on any input, sensor, or time value
  • Sealed automotive and marine grade connectors ensure reliable connections in harsh environments

The Lightweight Dominator ECU provides racers and performance enthusiasts with sophisticated engine management capabilities without the weight penalty, making it the ideal choice for drag racing, road racing, and other motorsports applications where every ounce matters.

Products specifications

Boost Control

Yes

Brand

Holley EFI

Category

Air and Fuel Delivery

Category

EFI - Fuel Injection

Category

Fuel Injection - EFI

Coast Guard Approved

Yes

Connector Gender

Male

Dry Nitrous Control

Yes

Emission Code

3

Grade Type

Performance

Height

variable 1.00" to 1.84"

Length

13.14" overall

Mounting Bolt Pattern

12.13" x 6.10"

Mounting Hardware Included

Yes

Mounting Hole Quantity

4

Multi-Stage Nitrous Control

Yes

Product Type

Dominator ECU - ECM - VCM

Progressive Nitrous Control

Yes

Removable PROM

No

Terminal Gender

Female

User-Tuneable

Yes

Warning

California Proposition 65

Wet Nitrous Control

Yes

Width

6.10" overall

Delivered quickly

Hope I get my order thanks you

Thank you. Great service.

Easy, fast GREAT!!!!!

perfect.

Need to return part and this is the response I got.said 24 hours after I requested the return going on 3rd day and still waiting

Zzzz

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