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Holley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control
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Key item features
- Engine Compatibility: Offers plug-and-play control for domestic V8 engines, including conventional pushrod Chevrolet and Chrysler, with support for most stock and Holley EFI high-impedance injectors.
- Transmission Control: Includes a dedicated harness for GM 4L60E/80E transmission control, a feature exclusive to the Terminator X Max system.
- Integrated Sensors: Features a built-in 1-bar MAP sensor with vacuum hose adapters, and a Bosch LSU 4.9 wideband sensor for precise AFR monitoring and tuning.
- Advanced Controls: Provides comprehensive boost control (vs. time, gear, RPM, speed) with safeties, and single-channel nitrous control with progressive/non-progressive options and safety features.
- Diagnostic & Tuning: Equipped with on-board diagnostic LEDs for quick issue identification and a 3.5-inch touchscreen handheld for calibration, data-logging, and customizable gauge display.
- Expandable Functionality: Supports 4 programmable inputs for additional sensors or triggers, and is compatible with various Holley EFI accessories like analog gauges and shift lights.
Generated by AI
Specs
- Compatible carsDomestic V8 engine
- BrandHOLLEY EFI
- Automotive parts divisionPerformance
- Vehicle fitment typeSpecific
- Items includedTouchscreen
- FeaturesEasy To Use
Current price is USD$1,899.95
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Columbus, 43215
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About this item
Product details
Universal MPFI Main Harness - GM 4L60E/80E Transmission Control Harness - EV1 Injector Harness, 3.5 in. Touchscreen Included;
Take control of your engine with Terminator X! Don't settle for a factory 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 NOS control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5 in. 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!;
Take control of your engine with Terminator X! Don't settle for a factory 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 NOS control, and much more. Terminator X comes fully loaded with base maps for common V8 engine combinations to get you out of the garage and on the road/track fast. The 3.5 in. 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!;
- Plug and play Domestic V8 engine control, such as conventional push rod Chevrolet and Chrysler engines.
- Includes EV1 Injector Harness
- GM 4L60E/80E Transmission Control Harness (Terminator X Max Only)
- High Impedance Injector Drivers will safely power most Stock injectors, and Holley EFI Injectors. Injector support chart provided in the instructions (Will not control Low Impedance Injectors)
- Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control.
- Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th â€" Â1/4 and 3/16ths) - or for Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the in
- MAP Sensor vacuum hose adapters (1/8th â€" Â1/4 and 3/16ths)
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors, adapter 558-323 required for HyperSpark Distributors.
- 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
- 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
- The included 3.5" Touchscreen Handheld contains a calibration wizard, that allows you to quickly build a base tune for any domestic V8 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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Specifications
Compatible cars
Domestic V8 engine
Fuel injection accessory & part type
Universal MPFI Main Harness, GM 4L60E/80E Transmission Control Harness, EV1 Injector Harness
Brand
HOLLEY EFI
Automotive parts division
Performance
Warranty
Warranty information
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Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warranty url
Warnings
Warning Text
California Proposition 65
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| Compatible cars | Domestic V8 engineHolley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control | GM LS1/LS6Terminator X Max MPFI System | -Holley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | -Holley EFI 550-917 Fuel Injection System | Domestic V8 engineHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | -Holley EFI Terminator X Max Mpfi W/Dbw, Ls1 | -Holley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | -Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | GM LS1/LS6Terminator X MPFI System | -Holley EFI 550-931 Fuel Injection System |
|---|---|---|---|---|---|---|---|---|---|---|
| Automotive parts division | PerformanceHolley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control | PerformanceTerminator X Max MPFI System | PerformanceHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | PerformanceHolley EFI 550-917 Fuel Injection System | PerformanceHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | PerformanceHolley EFI Terminator X Max Mpfi W/Dbw, Ls1 | PerformanceHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | PerformanceHolley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | PerformanceTerminator X MPFI System | PerformanceHolley EFI 550-931 Fuel Injection System |
| Vehicle fitment type | SpecificHolley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control | UniversalTerminator X Max MPFI System | SpecificHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | SpecificHolley EFI 550-917 Fuel Injection System | UniversalHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | SpecificHolley EFI Terminator X Max Mpfi W/Dbw, Ls1 | SpecificHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | SpecificHolley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | SpecificTerminator X MPFI System | SpecificHolley EFI 550-931 Fuel Injection System |
| Features | Easy To UseHolley EFI 550-942 Terminator X Max Universal MPFI Kit w/ Transmission Control | Easy To UseTerminator X Max MPFI System | Easy To UseHolley EFI 550-919T Terminator X Max 24x/1x EV6 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | -Holley EFI 550-917 Fuel Injection System | Easy To UseHolley EFI 550-950 Terminator X Max Universal MPFI Kit w/ DBW Control | Easy To UseHolley EFI Terminator X Max Mpfi W/Dbw, Ls1 | Easy To UseHolley EFI 550-920 Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control | -Holley EFI 550-920T Terminator X Max 58x/4x EV1 LS MPFI Kit with Transmission Control - Without 3.5" Handheld | Easy To UseTerminator X MPFI System | Easy To UseHolley EFI 550-931 Fuel Injection System |
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