Holley HP Electronic Fuel Injection Engine Control Unit With Wiring Harness Kit For Universal V8 Engines With Multi-Point Fuel Injection

Holley:
550-604

Highlights

  • 4-Stage Nitrous Oxide Control
  • Combination Fueling Strategies
  • Accurately Control Ignition
  • Huge 2GB Of Memory
MSRP $2,266.00
$2,038.95
You save 10%

Holley HP Electronic Fuel Injection Engine Control Unit With Wiring Harness Kit For Universal V8 Engines With Multi-Point Fuel Injection.

Gain the control you want over your V8 engine with an EFI upgrade. The Holley HP Electronic Fuel Injection Engine Control Unit With Wiring Harness Kit 550-604 For Universal V8 Engines With Multi-Point Fuel Injection is built to give you more control over the fuel strategies with self-tuning capabilities and reliable ignition. 

Features and Benefits:
- (8) 8:2 Peak and Hold Injector Drivers up to 16 Low or High Impedance Injectors 
- (8) Channel Distributorless Ignition (DIS) Outputs Directs Driving “Smart” Ignition Coils or Holley DIS Coils
- Integrated Single Channel Wide Band Oxygen Sensor Control
- Internal Data-Logging Standard with a Huge 2GB of Memory
- 4-Stage Progressive Nitrous and Turbo Boost Control
- Integrated Water/Methanol Injection Control
- Self-Tuning Fuel Table Strategy
- Provides Individual Cylinder Fuel and Spark Control
- Unique lb/hr Based Fueling Strategy for Communized Tuning
- Stabilized Operation Via Advanced Idle, Closed Loop, and Enrichment Strategies 
- ECU is Fully Potted and Optional Mount in the Engine Compartment or Interior
- Sealed Automotive and Marine Grade Connectors
- Ignition Plug and Play with Ford TFI, Magnetic and Hall Effect Trigger, and other Ignition Systems
- 1-5 Bar MAP Sensor Capability
- Two Channel Knock Control Sensor Inputs for both One or Two Wire Knock Sensors
- Dedicated Fuel and Oil Pressure Inputs
- Controls Both Stepper and PWM Idle Air Control (IAC) Motors
- Speed Density, Alpha-N, or Combination Fueling Strategies
- 4 Programmable High or Low PWM Outputs and Four Fully Configurable Inputs
- Can be configured “Wet” or “Dry” with Closed Loop Feedback
- Lean or Rich Safety Cutoff
- Full Timing Retard/Control Configurability Per Stage Based on RPM or time

The Holley HP Electronic Fuel Injection Engine Control Unit With Wiring Harness Kit For Universal V8 Engines With Multi-Point Fuel Injection is designed to be an alternative to the OE Engine Control Unit (ECU) and harness or complete replacement for your C950 ECU. The HP feature to this EFI unit allows you to accurately control the fuel and ignition of your engine on top of additional controls for nitrous, boost or water meth. Equipped in the Holley HP EFI system is four programmable inputs and four programmable outputs that are perfect for universal engines with a single power adder. This feature allows user configuration to support a wide range of controls including boost control, progressive nitrous, water/meth injection, speed inputs, fuel pump control, AC inputs, timing retard inputs and various other uses.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Bronco years:

This product will fit the following C10 years:

This product will fit the following F-100 years:

  • 1948,
  • 1949,
  • 1950,
  • 1951,
  • 1952,
  • 1953,
  • 1954,
  • 1955,
  • 1956,
  • 1957,
  • 1958,
  • 1959,
  • 1960,
  • 1961,
  • 1962,
  • 1963,
  • 1964,
  • 1965,
  • 1966,
  • 1967,
  • 1968,
  • 1969,
  • 1970,
  • 1971,
  • 1972,
  • 1973,
  • 1974,
  • 1975,
  • 1976,
  • 1977,
  • 1978,
  • 1979,

This product will fit the following Mustang years:

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