Holley EFI 550-917T Terminator X Max MPFI System
Holley EFI 550-917T Terminator X Max MPFI System
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Holley EFI 550-917T Terminator X Max MPFI 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 4L60E/4L80E Transmission Control.
  • Tuning Capabilities: Features real-time fuel map learning, high impedance injector drivers, and utilizes a Bosch LSU 4.9 wideband for accurate AFR readings.
  • Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, with vacuum hose adapters provided.
  • Versatile I/O: Offers 4 programmable inputs (12v, Ground, 5v, Frequency) and 4 outputs (Ground, PWM-) for accessories like fans, boost control, and nitrous.
  • Advanced Controls: Provides comprehensive boost control (vs. Time, Gear, RPM, Speed) and single-channel nitrous control with safeties and target AFR adjustment.
  • Diagnostic & Software: Equipped with on-board diagnostic LEDs and includes a CAN/USB tuning cable for real-time configuration using free EFI Tuning Software.
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Columbus, 43215
Arrives by Fri, Feb 27
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Sold and shipped by Fast Track Auto
4.875 stars out of 5, based on 16 seller reviews(4.9)
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