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HOLLEY

Holley Hp Efi Ecu & Harness Kit - Universal V8 Multi Point Fuel Injection (Bosch Oxygen Sensor)

$2,521.95
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SKU:
HLY550-604
UPC:
090127666944
Condition:
New
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Usually ships within 24 hours.
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On the lookout for a plug-and-play alternative for your stock or custom-built late-model factory EFI engine? Enter Holley, your solution provider. The HP EFI ECU and harness kits are meticulously designed to seamlessly integrate with popular factory EFI engines, serving as an alternative to the factory ECU and harness or as a replacement for your older Holley C950 ECU. With the HP system, you gain precise control over fuel and ignition, and a suite of additional features including nitrous, boost, or water-meth controls.

Key Features:

  • Optional 5.7” full-color touchscreen LCD for effortless on-the-fly tuning, data-logging, or as a clear graphical gauge panel.
  • Eight sequentially driven 8:2 peak and hold injector drivers, capable of handling up to 16 low or high impedance injectors, featuring multiple staged injector strategies.
  • Eight channel Distributorless Ignition (DIS) outputs for direct driving of "Smart" ignition coils or Holley DIS coils. Compatibility with 2 wire coils via the PN 554-112 high current coil driver module.
  • Integrated single-channel wideband oxygen sensor control, compatible with NTK or Bosch sensors.
  • Internal data-logging with an expansive 2GB memory capacity.
  • 4 Stage progressive nitrous control, turbo boost control, and integrated water/methanol injection control.
  • Self-tuning fuel table strategy for simplified tuning processes.
  • Individual cylinder fuel and spark control, unlocking your engine’s full potential.
  • Compatibility with 4, 6, and 8 cylinder engines.
  • Unique lb/hr based fueling strategy for streamlined tuning.
  • Advanced idle, closed-loop, and enrichment strategies ensuring stable operation.
  • Fully potted ECU for flexible mounting in the engine compartment or interior.
  • Sealed automotive and marine-grade connectors for durability.
  • Compatibility with common OEM sensors and customer sensor calibration input.
  • Ignition Plug and Play support for GM HEI, Ford TFI, magnetic and hall effect trigger, with ongoing development for new Plug and Play applications. Custom settings configurable for various applications.
  • 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.
  • Control of both stepper and PWM Idle Air Control (IAC) motors.
  • Support for speed density, Alpha-N, or combination fueling strategies.
  • 4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs for versatile use.
  • 4 Stage nitrous oxide control, eliminating the need for a separate nitrous controller device.
  • Configurable as "Wet" or "Dry" with closed-loop feedback.
  • Progressive control based on time, RPM, or boost, requiring part # 554-111.
  • Lean or rich safety cutoff.
  • Full timing retard/control configurability per stage based on RPM or time.
  • Integrated Water/Methanol injection control, utilizing specially designed and calibrated Holley Water/Meth solenoids for unmatched tuning precision in the industry.
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Local Delivery Available:
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Additional Handling:
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