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HOLLEY

Holley Hp Efi Ecu & Harness Kit - Unterminated Universal Harness (Bosch Oxygen Sensor)

$2,499.95
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SKU:
HLY550-605
UPC:
090127666951
Condition:
New
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Usually ships within 24 hours.
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In search of a seamless upgrade for your stock or custom-built late-model factory EFI engine? Look no further – Holley has the solution. The HP EFI ECU and harness kits are meticulously engineered to seamlessly integrate with popular factory EFI engines, serving as an alternative to the factory ECU and harness or as a direct replacement for your aging Holley C950 ECU. With the HP system, gain precise control over fuel and ignition, along with additional features for nitrous, boost, or water-meth controls.

Key Features:

NEW V2 SOFTWARE FEATURES:

  • "Quick Start" ignition and fueling strategy tailored for LS x Engines.
  • Data Logger with scalable axes, smoothing, multiple graph view ability, pre-defined notes fields, and more.
  • Strip Chart Real-Time Data Viewer.
  • Integrated Boost Control featuring Boost vs Time, Boost vs Gear (Time or RPM), Boost vs RPM, Boost vs Speed, Launch control, Boost launch builder, Over-boost safeties, and Boost scramble.
  • Traction Control offering power reduction via timing, nitrous percentage, or boost (Requires Davis Technologies Holley Module).
  • "Quick Start" fueling applicable to all engines.
  • Option for VE-based fueling strategy.
  • Fuel Map and Learn Function Smoothing.
  • Configurable User Password Protection.
  • Fully configurable laptop Gauge Panel.

ADDITIONAL FEATURES:

  • Optional 5.7” full-color touchscreen LCD for easy on-the-fly tuning, data-logging, or as a graphical gauge panel.
  • Eight sequentially driven 8:2 peak and hold injector drivers, capable of handling up to 16 low or high impedance injectors with multiple staged injector strategies.
  • Eight channel Distributorless Ignition (DIS) outputs capable of directly driving "Smart" ignition coils or Holley DIS coils. Can drive 2 wire coils with the addition of PN 554-112 high current coil driver module.
  • Plug and Play control of factory GM 24x and 58x LSx engines.
  • Integrated single-channel wideband oxygen sensor control, compatible with NTK or Bosch sensors.
  • Internal data-logging as a standard feature with a generous 2GB of memory.
  • 4 Stage progressive nitrous control, turbo boost control, and integrated water/methanol injection control.
  • Self-tuning fuel table strategy for streamlined tuning processes.
  • Individual cylinder fuel and spark control to unlock your engine’s potential.
  • Compatibility with 4, 6, and 8 cylinder engines.
  • Unique lb/hr based fueling strategy for simplified and standardized tuning.
  • Advanced idle, closed-loop, and enrichment strategies for very stable operation.
  • Fully potted ECU for flexible mounting in the engine compartment or interior.
  • Sealed automotive and marine-grade connectors for enhanced durability.
  • Compatibility with common OEM sensors and customer sensor calibration input.
  • Ignition Plug and Play compatibility with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic and hall effect triggers, and other ignition systems. Ongoing development for new Plug and Play applications with custom settings configurable for various applications.
  • 1-5 Bar MAP sensor capability for accurate monitoring.
  • 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, fully featured to eliminate 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 using Holley Water/Meth solenoids designed for unmatched tuning precision in the industry, allowing the user to enter Water/Meth flow as a percentage of fuel injector flow for Water/Meth tuning precision unmatched in the industry.
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