Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit  with Transmission Control - Without 3.5" Handheld
Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit  with Transmission Control - Without 3.5" Handheld
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Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld

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Key item features

  • Engine Compatibility: Designed for GM LS 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 with 58x Crank, 4x Cam, and 4L60E/4L80E transmissions, utilizing EV1 Injectors.
  • Advanced Tuning: Features real-time fuel map learning, high impedance injector drivers, and a Bosch LSU 4.9 wideband for accurate AFR readings and precise tuning.
  • Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous engine combinations, with vacuum hose adapters provided.
  • Versatile I/O: Equipped with 4 configurable inputs (12v, Ground, 5v, Frequency) and 4 configurable outputs (Ground, PWM-) for various accessories and control functions.
  • Control Features: Offers comprehensive boost control (vs. Time, Gear, RPM, Speed, Safeties) and single-channel nitrous control (Wet/Dry, Progressive/Non-Progressive, Safeties, Closed Loop AFR).
  • Diagnostic Aids: On-board diagnostic LEDs for ECU Power, Engine Run, Wideband Status, TPS Calibration, Crank Signal, and Cam Signal allow for quick issue identification.
  • Software Access: Comes with a CAN/USB tuning cable and free EFI Tuning Software for real-time configuration and engine tuning, including multiple base calibrations.
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Columbus, 43215
Arrives by Wed, Feb 25
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