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Terminator X Max MPFI System
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Key item features
- Engine Compatibility: Designed for GM LS1/LS6 engines with 24x crank reluctor, EV1 injectors, 4L60E/4L80E transmissions, and drive-by-wire throttle control.
- Advanced Tuning: Features real-time fuel map learning, high impedance injector drivers, and utilizes a Bosch LSU 4.9 wideband for precise AFR readings.
- Integrated Sensors: Includes an on-board 1bar MAP sensor suitable for N/A or Nitrous setups, with adapters for various vacuum hose sizes.
- Versatile I/O: Offers 4 programmable inputs (12v, Ground, 5v, Frequency) and 4 outputs (Ground, PWM-) for accessories like fans, boost control, and nitrous.
- Control Features: Provides comprehensive boost control (vs. Time, Gear, RPM, Speed) and single-channel nitrous control with safeties and closed-loop AFR targeting.
- Diagnostic & Setup: Equipped with on-board diagnostic LEDs for critical engine status and includes a CAN/USB tuning cable for real-time configuration via free EFI software.
- Expandable System: Plug-and-play compatible with Holley EFI accessories such as analog gauges, shift lights, and future 12.3" digital dash support.
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Specs
- Compatible carsGM LS1/LS6
- Vehicle makeGM
- Vehicle modelLS1, LS6
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
Current price is USD$2,049.95
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Columbus, 43215
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About this item
Product details
GM LS 24x Crank, 1x Cam - LS1/LS6 Engines - with EV1 Injectors - Drive-By-Wire Throttle Body and Transmission Control, USB/CAN Tuning Cable;
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 NOS control, and much more. Part number 550-926 also has 4L60E or 4L80E 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. These Terminator X kits include a USB/CAN tuning cable instead of the 3.5 in. Handheld LCD, these kits require the use of the free Terminator X Software for initial setup. The Terminator X Software includes multiple base calibrations to choose from for either naturally aspirated or boosted engines.
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!;
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 NOS control, and much more. Part number 550-926 also has 4L60E or 4L80E 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. These Terminator X kits include a USB/CAN tuning cable instead of the 3.5 in. Handheld LCD, these kits require the use of the free Terminator X Software for initial setup. The Terminator X Software includes multiple base calibrations to choose from for either naturally aspirated or boosted engines.
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!;
- For GM LS1/LS6 engines with 24x crank reluctor with EV1 injectors and 4L60E/4L80E transmissions, and drive-by wire throttle body control.
- 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 â€" Â1/4 and 3/16ths)
- 4 Inputs â€" 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake
- 4 Outputs â€" Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and More
- Boost Control â€" Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties
- Nitrous Control â€" Single Channel of Wet or Dry, Progressive or Non-Progressive, Rich/Lean Safeties, and target Closed Loop AFR
- Advanced Tables â€" 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 â€" Engine Run â€" Wideband Status â€" TPS Calibration â€" Crank Signal â€"Cam Signal. Allow you to identify any Critical engine issues at a glance
- Includes CAN/USB tuning cable allowing you to configure your ECU and Tuning the engine in real time.
- 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
- Recommended Pedal part number - 10379038
- Includes: 24x LS Engine Main Harness - EV1 Injector Harness - DBW Throttle Body Harness - 4L60E/4L80E Transmission Control Harness - Terminator X MAX ECU - ECU Main Power Harness - Bosch LSU 4.9 Wideband Oxygen Sensor - Input/Output Harness - and assorted
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Specifications
Compatible cars
GM LS1/LS6
Vehicle make
GM
Vehicle model
LS1, LS6
Fuel injection accessory & part type
EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control
Warranty
Warranty information
xxxx
Warranty url
Warnings
Warning Text
California Proposition 65
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| Vehicle make | GMTerminator X Max MPFI System | GMHolley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | GMHolley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | GMHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | FordHolley EFI 550-1006 Terminator X Stealth 4150, Gold | GMHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | GMHolley EFI 550-927 Fuel Injection System | FordHolley EFI 550-1004 Terminator X Stealth 4150, Shiny | GMHolley EFI 550-928 Fuel Injection System | ChevyHolley EFI 550-931T Terminator X Max MPFI System |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle model | LS1Terminator X Max MPFI System | -Holley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | LS1Holley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | LS1Holley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | -Holley EFI 550-1006 Terminator X Stealth 4150, Gold | LSHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | LS 4.8Holley EFI 550-927 Fuel Injection System | -Holley EFI 550-1004 Terminator X Stealth 4150, Shiny | -Holley EFI 550-928 Fuel Injection System | 4.8Holley EFI 550-931T Terminator X Max MPFI System |
| Automotive parts division | PerformanceTerminator X Max MPFI System | PerformanceHolley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | PerformanceHolley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | PerformanceHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | PerformanceHolley EFI 550-1006 Terminator X Stealth 4150, Gold | PerformanceHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | PerformanceHolley EFI 550-927 Fuel Injection System | PerformanceHolley EFI 550-1004 Terminator X Stealth 4150, Shiny | PerformanceHolley EFI 550-928 Fuel Injection System | PerformanceHolley EFI 550-931T Terminator X Max MPFI System |
| Vehicle fitment type | SpecificTerminator X Max MPFI System | SpecificHolley EFI 550-935T Terminator X Max 58x/4x EV1 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | SpecificHolley EFI 550-934T Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control - Without 3.5" Handheld | SpecificHolley EFI 550-934 Terminator X Max 24x/1x EV6 LS MPFI Kit with DBW Throttle Body and Transmission Control | UniversalHolley EFI 550-1006 Terminator X Stealth 4150, Gold | SpecificHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | SpecificHolley EFI 550-927 Fuel Injection System | UniversalHolley EFI 550-1004 Terminator X Stealth 4150, Shiny | SpecificHolley EFI 550-928 Fuel Injection System | UniversalHolley EFI 550-931T Terminator X Max MPFI System |
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