Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits
Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits
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Holley EFI 550-500 HP EFI Universal MPI Retrofit Kits

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  • Advanced Software: Features new V2 software with Quick Start ignition and fueling for LSx engines, a data logger with scalable axes, and a real-time strip chart viewer.
  • Integrated Controls: Includes integrated boost control with various strategies (vs. Time, Gear, RPM, Speed) and 4-stage progressive nitrous control.
  • Traction Management: Offers traction control with power reduction via timing, nitrous percentage, or boost, requiring a Davis Technologies Holley Module.
  • Engine Compatibility: Provides plug-and-play control for factory GM 24x and 58x LSx engines, and universal retrofit for any V-8 intake manifold.
  • Injector/Ignition Drivers: Equipped with eight sequentially driven 8:2 peak and hold injector drivers for up to 16 injectors, and eight channel Distributorless Ignition (DIS) outputs.
  • Oxygen Sensor/Datalogging: Features integrated single-channel wideband oxygen sensor control (NTK or Bosch compatible) and standard internal data-logging with 2GB memory.
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Columbus, 43215
Arrives by Thu, Apr 30
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