• English
    • Deutsch
    • French
    • Requires WPML plugin
  • Country
    • United States (USD)
    • Deutschland (EUR)
    • Japan (JPY)
FREE SHIPPING FOR ALL ORDERS OF $150
  • Newsletter
  • Contact Us
  • FAQs
  • Home
  • Webshop
    • Brake Systems
    • Engine Drives
    • Race Engines
    • Horizontal Engines
    • Performance / Crate Engines
    • Power Equipment
      • Generators
        • Commercial Generators
        • RV Generators
        • Standby Generators
      • Pumps
      • Welding
        • MIG Welders
        • TIG Welders
        • Stick Welders
    • Transmissions & Gearboxes
      • Automatic Transmissions
      • Manual Transmissions
      • Differential & Rear-End Components
      • Shifters
    • Suspension Components, Chassis & Suspension
    • Vertical Engines
    • Performance Parts & Accessories
      • A-body
      • B-Body
      • C-Body
      • Chassis & Suspension
        • Chassis Components
        • Steering Components
      • E-body
      • Interior Accessories
        • Air & Fuel Delivery
        • Cooling
        • Dash & Console
        • DC Power
        • Ignition
        • Intake
        • Superchargers & Turbochargers
    • Snow Blowers
      • 2-STAGE SNOW BLOWERS
      • 3-STAGE SNOW BLOWERS
    • Outboard Motor
      • Evinrude Outboard Motors
      • Honda Outboard Motors
      • Mercury Outboard Motors
      • Nissan Outboard Motors
      • Suzuki Outboard Motors
      • Tohatsu Outboard Motors
      • Yamaha Outboard Motors
  • Services
    • Engine Building & Rebuilding
    • Dyno Testing & Tuning
    • Maintenance & Overhaul
    • Installation & Consultation
    • Marine & Industrial Power Solutions
    • Performance Upgrades & Modifications
  • Get a Quote
    • Race Engine Quote Form
    • Custom Build / Crate Engine Inquiry
    • Power Equipment Quote Form
    • Service & Overhaul Request Form
    • General Inquiry Form
  • Customer Help
    • FAQ
    • My Account / Order Tracking
    • Shipping Policy
    • Refund and Returns Policy
    • Warranty & Parts Lookup
    • Knowledge Base
  • Dealer Info
    • Blog & Knowledge
    • About us
    • Contact us
Search
Wishlist
0 items €0.00
Menu
nhraceengines.nl
0 items €0.00
Click to enlarge
Home Ignitions & Electrical Holley HP EFI ECU and Harness Kits 550-604
Mopar Replacement Engine Control Modules 68363277AA
Mopar Replacement Engine Control Modules 68363277AA €2,246.00
Back to products
Racepak IQ3D Drag Racing Digital Dash Recorders 250-DS-IQ3D
Racepak IQ3D Drag Racing Digital Dash Recorders 250-DS-IQ3D €2,356.00

Holley HP EFI ECU and Harness Kits 550-604

€2,347.00

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, MPFI, Kit

Compare
Add to wishlist
Category: Ignitions & Electrical
Share:
  • Description
  • Reviews (0)
  • Shipping & Delivery
Description

Overview

Brand: Holley
Manufacturer’s Part Number: 550-604
Part Type: Engine Management Systems
Product Line: Holley HP EFI ECU and Harness Kits
Summit Racing Part Number: HLY-550-604
UPC: 090127666944
Transmission Controller Included: No
High Impedence Injectors: Up to 16
Low Impedence Injectors: Up to 16
Coils: Up to 8
Digital Inputs: 4
Wideband Controller: Yes
Wideband Channels: 1
CANBUS Enabled: Yes
CANBUS Networks: 1
Knock Control: Yes
Knock Channels: 2
Drive-By-Wire Capable: No
VVT Control: No
Boost Control: Yes
Nitrous Control: Yes
Traction Control: Yes
Launch Control: No
Engine Protection: Yes
Flex Fuel Compatible: No
Multi-fuel Capable: No
Data Logger: Yes
Oxygen Sensor Included: Yes
Display Included: No
Handheld Controller Included: No
Remanufactured: No
Quantity: Sold individually.
Notes: Universal V8 MPFI fit. Requires ignition adapter harness based on ignition type.

Holley HP EFI ECU and Harness Kits

Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model with options needed for your vehicle application. (Note: some models are engine-specific.)

Features and notes:

* Eight sequentially driven 8:2 peak and hold injector drivers capable of driving up to 16 low or high-impedance injectors are standard
* 8-channel distributorless ignition (DIS) outputs capable of directly driving “smart” ignition coils or Holley DIS coils
* Integrated, single-channel wideband oxygen sensor control. Works with NTK or Bosch sensors. More channels can be added via CAN bus.
* Internal data-logging is standard, with a huge 2GB of memory
* 4-stage progressive nitrous control
* Turbo boost control
* Integrated water/methanol injection control
* Self-tuning fuel table strategy greatly simplifies tuning process
* Individual cylinder fuel and spark control allow you to unlock your engine’s potential
* Compatible with 4, 6, and 8-cylinder engines
* Unique lbs./hr.-based fueling strategy greatly simplifies tuning
* Advanced idle, closed loop, and enrichment strategies allow for very stable operation
* Fully potted and can be mounted in the engine compartment or interior
* Sealed automotive and marine-grade connectors
* Allows for use of common OEM sensors, as well as customer sensor calibration input
* Ignition plug-and-play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic, and hall effect trigger, and other ignition systems
* 1-5 bar MAP sensor capability
* 2-channel knock control sensor inputs for both one and 2-wire knock sensors
* Dedicated fuel and oil pressure inputs
* Control both stepper and PWM idle air control (IAC) motors
* Speed density, Alpha-N, or combination fueling strategies
* Four programmable high or low pulse width modulated (PWM) outputs and four fully configurable inputs can be configured for use
* Lean or rich safety cutoff

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “Holley HP EFI ECU and Harness Kits 550-604” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery
wd-ship-1
wd-ship-2

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.

Related products

Compare

Chevrolet Performance 480 HP LS3 Engine Controller Kits 19354330

Ignitions & Electrical
€2,040.00
Engine Management System, 480 HP LS3 Engine Controller, Chevy, 6.2L, Kit
Add to wishlist
Add to cart
Quick view
Compare

Ford Performance Parts 2015-17 Coyote 5.0L Control Packs M-6017-M50A

Ignitions & Electrical
€2,066.00
Engine Management Systems, Coyote 5.0L Control Packs, Oxygen Sensor, Ford, 5.0L, Kit
Add to wishlist
Add to cart
Quick view
Compare

Ford Performance Parts 2018 Coyote 5.0L Control Packs M-6017-M50B

Ignitions & Electrical
€2,119.00
Engine Management System, 5.0L Control Pack, Ford, Manual Transmission, Kit
Add to wishlist
Add to cart
Quick view
Compare

Ford Performance Parts Engine Management Systems M-6017-M52SC

Ignitions & Electrical
€2,056.00
Performance Tuner/Programmer
Add to wishlist
Add to cart
Quick view
Compare

Holley Dominator EFI Vehicle Management Systems 550-658

Ignitions & Electrical
€3,088.00
Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Trans Control, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit
Add to wishlist
Add to cart
Quick view
Compare

Holley HP EFI ECU and Harness Kits 550-603

Ignitions & Electrical
€2,386.00
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, GM, LS2, LS7, 58x Crank Sensor, Kit
Add to wishlist
Add to cart
Quick view
Compare

Racepak 12.3 in. Displays 250-DS-123

Ignitions & Electrical
€2,037.00
Digital Dashboard Displays, 12.3 in LCD Display, Wiring Harness, Aluminum Housing, Black Anodized, External 16 GB Memory. Screen, VNet Systems, Kit
Add to wishlist
Add to cart
Quick view
Compare

Racepak SmartWire Kits 500-KT-SWST

Ignitions & Electrical
€2,548.00
Data Acquisition, Street SmartWire, Programming Cable, Connectors, Wiring Sockets, DatalinkII Software, Kit
Add to wishlist
Add to cart
Quick view

    Condimentum adipiscing vel neque dis nam parturient orci at scelerisque neque dis nam parturient.

    • 451 Wall Street, UK, London
    • Phone: (064) 332-1233
    • Fax: (099) 453-1357
    Recent Posts
    Our stores
    • Engines
    • Crate Engines
    • Generators, Marine Generators
    • Transmission & Drivetrain
    • Vertical Engines
    • Welding
    USEFUL LINKS
    • Blog
    • General Inquiry Form
    • Race Engine Quote Form
    • Refund and Returns Policy
    • Warranty & Parts Lookup
    • Shipping Policy
    Footer Menu
    • Engine Building & Rebuilding
    • Installation & Consultation
    • Maintenance & Overhaul
    • Marine & Industrial Power Solutions
    • Service & Overhaul Request Form
    Based on WoodMart theme 2026 WooCommerce Themes.
    payments
    • Menu
    • Categories
    • Accessories
    • Home
    • Shop
    • Blog
    • Portfolio
    • About us
    • Contact us
    • Wishlist
    • Compare
    • Login / Register
    Shopping cart
    Close

    HEY YOU, SIGN UP AND CONNECT TO WOODMART!

    Be the first to learn about our latest trends and get exclusive offers

    Will be used in accordance with our Privacy Policy

    Start typing to see products you are looking for.
    Shop
    Wishlist
    0 items Cart
    My account