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550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW
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550-927 | TERMINATOR X MAX MPFI W/TRANS & DBW

Holley EFI - 550-927


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$2,085.00$1,875.95
Holley EFI
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  • Brand:Holley EFI
  • CategoryFuel Injection ECU
  • Product Code: HFI-550-927
  • SKUHFI-550-927
  • UPC: 90127060896
  • MPN550-927
  • Dimensions (L x W x H): 12.25in x 11.00in x 8.00in
  • Weight: 10lb
  • Some orders may require up to a 6 week lead time
  • local_offerDiscount 10%
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Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Part number 550-927 also has 4L60 or 4L80 Transmission control and Drive-By Wire Throttle Body control. Terminator X Max comes fully loaded with base maps for common LS engine combinations to get you out of the garage and on the road/track fast. The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is Holley EFI's industry-leading, easy to use software suite that allows full laptop access for advanced users. Whether you are building a budget beater or a boosted race car, Terminator X MAX has the features and technology you need at a price that won't break the bank!

Features:

  • For GM LS 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, Transmission Control, Drive-by Wire throttle body control, and Multec 2 Injectors
  • Real-Time fuel map learn, takes the guess work out of tuning your base fuel table.
  • High Impedance Injector Drivers will safely power most Stock LS injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
  • All of the new Terminator X Max systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
  • On-Board 1bar MAP sensor, is perfect for N/A or Nitrous engine combos. If your combination requires a 2+Bar, we recommend GM 12592525, and our adapter part number 558-416.
  • MAP Sensor vacuum hose adapters (1/8th – ¼ and 3/16ths)
  • 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
  • 4 Outputs – Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
  • Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal –Cam Signal. Allow you to identify any Critical engine issues a
  • Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFRadjustable through included 3.5” full color touchscreen, base tune easily created via handheld Wizard!
  • Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table, can be used for any custom tables you can dream up, such as Flex Fuel Sensor Offset Table, or a custom fuel or oil pressure safety!
  • On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal –Cam Signal. Allow you to identify any Critical engine issues at a glance
  • The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any LS engine. Additionally the handheld provides internal data-logging and a fully customizable gauge display.
  • The compact ECU size allows you to mount it virtually anywhere. Remember, diagnostic LEDS must face up!
  • Plug and play compatible with more Holley EFI accessories such as; analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
  • Free EFI Tuning Software for complete control of your Terminator X power plant

BrandHolley EFI
Crank Reluctor24x
Ignition TypeGM LS 24x
Injector ConnectorMultec 2
Product TypeTerminator X Max LS MPFI
Terminator LS OptionsFuel, Spark, Drive-by-Wire, Transmission
Part Number550-927

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Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 progr..