Holley Engine Control Unit Horsepower Electric Fuel Injection With Wiring Harness Kit For GM LS1/LS6 Engine With 24X Reluctor Wheel



  • Includes Base Maps
  • Programmable Inputs/Outputs
  • Plug-And-Play Installation
  • Wideband Oxygen Sensor
MSRP $2,986.00
You save 10%

Holley Horsepower Electric Fuel Injection Engine Control Unit with a Wiring Harness for GM LS1/LS6 Engines with a 24X Reluctor Wheel.

Get more control over your LS1 or LS6 engine’s fuel, ignition and more with this Holley (550-602) HP EFI ECU with a Wiring Harness that’s now available at CJ Pony Parts! This Engine Control Unit operates as a configurable system, including boost control, progressive nitrous, water/meth injection, speed inputs, fuel pump control, AC inputs, timing retard inputs and more!

Features and Benefits:
- Accurate Control Over Fuel, Ignition and More
- Four Programmable Inputs and Outputs 
- Simple Plug-and-Play Installation
- Laptop Programmable ECU with Base Maps
- Compatible with 5.3L Engine Swaps or 3,000+ Horsepower Race Applications
- Industry Leading Self Tuning Fuel Strategy
- Bosch Wideband Oxygen Sensor Designed for GM LS1/LS6 Engines with Factory GM Coils and a 24-Tooth Crank Sensor
- ECU Fully Potted and Can be Mounted in the Engine Compartment or Interior
- Sealed Automotive and Marine Grade Connectors
- 1-5 Bar MAP Sensor Capability

*ECU-Certified to ISO 8846, SAE J1171 and United States Coast Guard Requirements for Ignition Protection and Fire Resistance.

This Holley (550-602) HP EFI ECU with a Wiring Harness lets you configure the system to support a wide range of controls including boost control, progressive nitrous, speed inputs and more! It’s easy to install and use and comes with a variety of base maps. 

- Holley HP EFI ECU
- Complete Wiring Harness
- Communication Cable
- Holley Software
- Bosch Wideband Oxygen Sensor

California Residents: Proposition 65 Warning

Related Categories: Chevrolet C10 Parts, C10 Restomod, C10 Electrical & Wiring, C10 Engine, C10 LS Engine Swap Parts

Vehicle Fitment

This product will fit the following C/K years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,
  • 1996,
  • 1997,
  • 1998,

This product will fit the following C10 years:

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