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Holley EFI 550-617N HP EFI ECU & Harness Kits

Name: Holley EFI 550-617N HP EFI ECU & Harness Kits
Brand: HOLLEY EFI
SKU: 421818331
Price: 3399.95 USD
Availability: InStock

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Key item features

Engine Compatibility: Specifically designed for 1999-2004 Ford Modular 4 Valve Engines, offering precise fuel and ignition control.
Sensor Integration: Features plug-and-play compatibility with factory sensors including Crank, Cam, TPS, and Coolant Temp.
Actuator Connectivity: Provides plug-and-play connections for factory actuators such as Coils, Injectors, and IAC.
Expanded Connections: Includes dedicated connectors for Holley Fuel Pressure and Oil Pressure sensors, plus additional Inputs and Outputs.
Complete Kit: A comprehensive plug-and-play kit containing the HP ECU, NTK O2 sensor, MAP sensor, Coil Drivers, and all necessary harnesses.
Oxygen Sensor: The included NTK Oxygen Sensor is recommended for leaded or methanol fuels, high exhaust, forced induction, and high precision feedback.
Injector Harness: Equipped with a Jetronic "Bosch Style" injector harness for seamless integration.

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Specs

Vehicle model
550-617N
Vehicle year
1999, 2000, 2001, 2002, 2003, 2004
Vehicle make
Ford
Vehicle fitment type
Specific
Automotive parts division
Performance
Brand
HOLLEY EFI

Current price is $3,399.95

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About this item

Product details

Compatible with 1999-2004 Ford Modular Engine - 4 Valve - Plug and Play Kit - Jetronic "Bosch Style" injector harness - Includes NTK Oxygen Sensor;

Looking for a plug and play kit for your Ford Modular engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Is your cam too wild for a MAF? Power adders? You name it, and Holley EFI can handle it.;

Designed specifically for 1999-2004 Modular 4 Valve Engines
Plug and play with factory sensors; Crank, Cam, TPS, Coolant Temp, etc
Plug and play with factory actuators; Coils, Injectors, IAC
Connectors for Holley Fuel Pressure and Oil Pressure sensors
Connectors for expanded Inputs and Outputs
Complete plug and play kit includes HP ECU, NTK O2 sensor, MAP sensor, Coil Drivers and all necessary Harnesses
The NTK Oxygen Sensor is recommended when using leaded or methanol fuels, high exhaust and forced induction applications or for highest precision feedback

info:

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Specifications

Vehicle model

550-617N

Vehicle year

1999, 2000, 2001, 2002, 2003, 2004

Vehicle make

Ford

Vehicle fitment type

Specific

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Warning Text

California Proposition 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.com

Compare with similar items

Comparison Overview:
Product	Viewing this item Holley EFI 550-617N HP EFI ECU & Harness Kits current price $3,399.95 Holley EFI 550-617N HP EFI ECU & Harness Kits	Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit current price $3,149.95 Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit	Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length current price $67.49 Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length	Holley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish current price $46.20 Holley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish	Holley EFI 300-652 Holley Intake Manifold Adapter Plates current price $409.95 Holley EFI 300-652 Holley Intake Manifold Adapter Plates	Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black current price $3,749.95 Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black	Holley EFI 558-513 EFI MPFI Harness Kits current price $972.95 Holley EFI 558-513 EFI MPFI Harness Kits	Holley EFI 20-147 Carburetor Throttle Cable Bracket current price $64.79 Holley EFI 20-147 Carburetor Throttle Cable Bracket	Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish current price $98.95 Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish	Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish current price $53.55 Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish

Comparison Chart:
Vehicle model	550-617NHolley EFI 550-617N HP EFI ECU & Harness Kits	Gen V LTHolley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit	LSHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length	CoyoteHolley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish	RAM 1500Holley EFI 300-652 Holley Intake Manifold Adapter Plates	550-1081Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black	FoxbodyHolley EFI 558-513 EFI MPFI Harness Kits	FirebirdHolley EFI 20-147 Carburetor Throttle Cable Bracket	CoyoteHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish	CoyoteHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish
Vehicle year	1999Holley EFI 550-617N HP EFI ECU & Harness Kits	-Holley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit	-Holley EFI 558-453 CAN Adapter Harness - 8 Foot Length	2011Holley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish	2003Holley EFI 300-652 Holley Intake Manifold Adapter Plates	-Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black	-Holley EFI 558-513 EFI MPFI Harness Kits	1998Holley EFI 20-147 Carburetor Throttle Cable Bracket	-Holley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish	2011Holley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish
Vehicle make	FordHolley EFI 550-617N HP EFI ECU & Harness Kits	GMHolley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit	GMHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length	FordHolley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish	DodgeHolley EFI 300-652 Holley Intake Manifold Adapter Plates	-Holley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black	FordHolley EFI 558-513 EFI MPFI Harness Kits	HolleyHolley EFI 20-147 Carburetor Throttle Cable Bracket	FordHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish	FordHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish
Vehicle fitment type	SpecificHolley EFI 550-617N HP EFI ECU & Harness Kits	SpecificHolley EFI 550-1611 Holley EFI Terminator X Max GM Gen V LT Late Direct Injection Kit	SpecificHolley EFI 558-453 CAN Adapter Harness - 8 Foot Length	SpecificHolley EFI 300-926BK Hi-Ram EFI Manifold Hardware Kit Coyote - Black Finish	SpecificHolley EFI 300-652 Holley Intake Manifold Adapter Plates	UniversalHolley EFI 550-1081 Terminator X Stealth 4500 2x4 Kit - Black	SpecificHolley EFI 558-513 EFI MPFI Harness Kits	SpecificHolley EFI 20-147 Carburetor Throttle Cable Bracket	SpecificHolley EFI 300-924 Ultra Lo-Ram Throttle Body Adapter Coyote - As Cast Finish	SpecificHolley EFI 534-321 180 Degree Fuel Fitting Assembly - Black Finish

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Holley EFI 550-617N HP EFI ECU & Harness Kits

Key item features

Specs

How do you want your item?

More seller options (1)

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