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Holley 550-905 Terminator X LS2/LS3 MPFI Kit

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#425550905

Holley 550-905 Terminator X LS2/LS3 MPFI Kit

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors
Offers real-time fuel map learn which takes the guess work out of tuning your base fuel table
Inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more

$1,599.95

/each

Factory Shipped

$1,687.95

Save $88.00

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Product Summary

Universal Fit, 58x Crank Reluctor, 4x Cam Trigger

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors
Offers real-time fuel map learn which takes the guess work out of tuning your base fuel table
Inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more
A 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions
High Impedance Injector Drivers will safely power most Stock LS injectors, and Holley EFI Injectors

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Key Specs

MFG. Part #	550-905
Ignition Type	Factory GM
Injector Connector	USCAR (EV6)
Tuner Style	Touchscreen Handheld
Throttle Style	Cable Driven

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Installation Details

Engine Control Modules Installation Instructions (425550905)

Installation Tips

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 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 systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
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
Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
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
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!adjustable through included 3.5” f
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

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Holley 550-905 Details

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 programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Terminator X 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 has the features and technology you need at a price that won't break the bank!

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 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 systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
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
Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
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
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!adjustable through included 3.5" f
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

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 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 systems utilize the Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
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
Nitrous Control – Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
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
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!adjustable through included 3.5" f
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

Application

Designed for GM LS Engines with 58x Crank, 4x Cam - and EV6 Injectors.

Specs

**Terminator X ECU's are designed to be mounted with the LED's facing up.

Installation Instructions

Handheld & Reference Manual

Wiring Diagram

Holley EFI Support Forums

Terminator X Software

Guides & Documents

Engine Control Modules Installation Instructions (425550905)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Holley 550-905 Specifications

KEY SPECS
MFG. Part #	550-905
Brand	Holley
Ignition Type	Factory GM
Injector Connector	USCAR (EV6)
Tuner Style	Touchscreen Handheld
Throttle Style	Cable Driven

GENERAL
Crank Reluctor	58x
Cam Trigger	4x
MAP Sensor Included	Yes
Transmission Control	No
Oxygen Sensor Style	Bosch
GTIN Code	090127060810
Sold in Quantity	Kit

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Fitment

2006-2007 Cadillac CTS

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2010-2014 Chevy Camaro

GM LS3

2005-2007 Chevy Corvette

GM LS2

2008-2013 Chevy Corvette

GM LS3

2014-2017 Chevy SS

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2006-2009 Chevy Trailblazer

GM LS2

2009 Pontiac G8

GM LS3

2005-2006 Pontiac GTO

GM LS2