Holley EFI 554-113 Engine Control Module
Holley EFI 554-113 Engine Control Module
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Holley EFI

Holley EFI 554-113 Engine Control Module

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Key item features

  • Advanced Software: Features new V4 software with Quick Start ignition and fueling strategies for LSx engines, comprehensive data logging, and a real-time strip chart viewer.
  • Integrated Controls: Includes integrated boost control with multiple strategies (Time, Gear, RPM, Speed) and 4-stage progressive nitrous control.
  • Traction Management: Offers traction control with power reduction options via timing, nitrous percentage, or boost, requiring a Davis Technologies Holley Module.
  • Injector & Ignition: Equipped with eight sequentially driven 8:2 peak and hold injector drivers for up to 16 low or high impedance injectors, and eight channel Distributorless Ignition (DIS) outputs.
  • Engine Compatibility: Provides plug and play control for factory GM 24x and 58x LSx engines, and can serve as an alternative to factory ECUs or a replacement for older Holley C950 units.
  • Oxygen Sensor: Features integrated single-channel wideband oxygen sensor control, compatible with both NTK and Bosch sensors.
  • Internal Storage: Comes standard with internal data-logging capabilities, boasting a substantial 2GB of memory.
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