Holley EFI 550-927 Fuel Injection System
Holley EFI 550-927 Fuel Injection System
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Holley EFI 550-927 Fuel Injection System

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Key item features

  • Engine Compatibility: Designed for GM LS 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, Multec 2 Injectors, and supports drive-by-wire throttle body control.
  • Advanced Tuning: Features real-time fuel map learning, a 3.5-inch full-color touchscreen for base tune creation via a wizard, and free EFI tuning software for comprehensive control.
  • Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, and utilizes a Bosch LSU 4.9 wideband for accurate AFR readings.
  • Versatile Control: Offers 4 inputs (12v, Ground, 5v, Frequency) and 4 outputs (Ground, PWM-) for accessories like fans, boost control, and nitrous control.
  • Transmission Management: Provides control for 4L60E/4L80E transmissions, enhancing overall powertrain integration and performance.
  • Diagnostic Feedback: Equipped with on-board diagnostic LEDs for ECU power, engine run, wideband status, TPS calibration, and crank/cam signals to identify critical engine issues.
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Current price is $1,888.95
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Columbus, 43215
Arrives by Wed, Feb 25
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