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Holley HP EFI ECU and Harness Kits 554-113 Engine Management Systems, EFI, ECU, Replacement, Plug-and-Play, 16-Injectors, Eight Coils, Analog Inputs, USB Cable, Software, Each

SKU: HLY554-113

Engine Management Systems

Holley HP EFI ECU and Harness Kits 554-113 Engine Management Systems, EFI, ECU, Replacement, Plug-and-Play, 16-Injectors, Eight Coils, Analog Inputs, USB Cable, Software, Each

SKU: HLY554-113

Engine Management Systems
A$3,866.32
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

IMPORTANT NOTICE: Includes USB cable and software. Wiring harness not included.

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

Part Type

HP Series EFI ECU Only

Data: v4.2 - Upd: 2026-10-13 18:48:03

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
554-113
Product Attributes - Part Type
Engine Management Systems
Product Attributes - Product Line
Holley HP EFI ECU and Harness Kits
Product Attributes - UPC
090127665787
Product Attributes - Transmission Controller Included
No
Product Attributes - Boost Control
Yes
Product Attributes - Traction Control
Yes
Product Attributes - High Impedence Injectors
Up to 16
Product Attributes - Low Impedence Injectors
Up to 16
Product Attributes - Coils
Up to 8
Product Attributes - Digital Inputs
4
Product Attributes - Wideband Controller
Yes
Product Attributes - Wideband Channels
1
Product Attributes - CANBUS Enabled
Yes
Product Attributes - CANBUS Networks
1
Product Attributes - Knock Control
Yes
Product Attributes - Knock Channels
2
Product Attributes - Drive-By-Wire Capable
No
Product Attributes - VVT Control
No
Product Attributes - Nitrous Control
Yes
Product Attributes - Launch Control
No
Product Attributes - Engine Protection
Yes
Product Attributes - Flex Fuel Compatible
No
Product Attributes - Multi-fuel Capable
No
Product Attributes - Data Logger
Yes
Product Attributes - Oxygen Sensor Included
No
Product Attributes - Display Included
No
Product Attributes - Handheld Controller Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Includes USB cable and software. Wiring harness not included.

Reference Information

Brand Name/s Holley
StreetFX SKU hly554-113
SFX Item ID 4782532
Supplier Item Code 4782532
Manufacturer SKU 554-113
Manufacturer UPC 90127665787
Alternative References HOL554-113, 16-Injectors

Compatibility

Application Data
  • UniversalYes
    Application NotesIncludes USB cable and software. Wiring harness not included.

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