
Holley 550-937F Terminator X EFI 5.0L Foxbody Mustang
Holley designed this 550-937F Terminator X EFI Engine Management System for the 1979-1993 Ford 302 5.0L Fox Body Mustang. This kit allows complete control of your engine, self-learning fuel strategies as well as the proven, race-winning technology of Holley EFI at a budget-friendly price!
Terminator X features real-time fuel learn, high impedance injector drivers, and an integrated 1bar MAP sensor. The 4 programmable inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Comes fully loaded with base maps for common V8 Ford engine combinations to get you 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 building a budget beater or boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!
Main Features:
- Plug-and-Play with Fox Body Mustangs equipped with factory 5.0L 302 cubic inch Small Block Ford, with the stock TFI Distributor
- Includes ECU Mounting Bracket - TFI Ignition Adapter - a Fox Body specific engine main harness, as well as MAT and CTS sensors
- Also includes EV1 Injector Harness, a direct replacement for the factory Ford injector harness
- High Impedance Injector Drivers will safely power most Stock injectors as well as Holley EFI Injectors
- Utilizes Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control
- Built in 1bar MAP Sensor as well as vacuum hose adapters included (1/8th – 1/4 and 3/16ths)
- Boosted applications can disable the internal MAP sensor, and utilize an external MAP Sensor
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors. Adapter 558-323 required for HyperSpark Distributors
- 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
- Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table. These 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 as well as Cam Signal allow you to identify any critical engine issues at a glance
- Included 3.5" Touchscreen Handheld contains a calibration wizard, allowing 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
- In addition, the compact ECU size allows mounting virtually anywhere. Remember, diagnostic LEDS must face up!
- Free EFI Tuning Software for complete control of your Terminator X power plant
Holley 550-937F Terminator X EFI Kit Additional Features:
- 4 Inputs – 12v, Ground, 5v, and Frequency, for additional pressure sensors, activation triggers for nitrous activation, or trans brake
- 4 Outputs – Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and more
- Plug-and-Play compatible with Holley EFI accessories such as analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
- Boost Control: Yes
- Nitrous Control: Yes
- Knock Control: Yes
- Knock Channels: 2
- Engine Protection: Yes
- CANBUS Enabled: Yes
- CANBUS Networks: 1
- Traction Control: No
- Launch Control: No
- Quantity: Sold as a kit
Note: Not for use with VVT (Variable Valve Timing) systems.
Emissions: This part is legal for sale or use on Racing Use Only Vehicles, used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
Original: $1,549.95
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Holley 550-937F Terminator X EFI 5.0L Foxbody Mustang
Holley designed this 550-937F Terminator X EFI Engine Management System for the 1979-1993 Ford 302 5.0L Fox Body Mustang. This kit allows complete control of your engine, self-learning fuel strategies as well as the proven, race-winning technology of Holley EFI at a budget-friendly price!
Terminator X features real-time fuel learn, high impedance injector drivers, and an integrated 1bar MAP sensor. The 4 programmable inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Comes fully loaded with base maps for common V8 Ford engine combinations to get you 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 building a budget beater or boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!
Main Features:
- Plug-and-Play with Fox Body Mustangs equipped with factory 5.0L 302 cubic inch Small Block Ford, with the stock TFI Distributor
- Includes ECU Mounting Bracket - TFI Ignition Adapter - a Fox Body specific engine main harness, as well as MAT and CTS sensors
- Also includes EV1 Injector Harness, a direct replacement for the factory Ford injector harness
- High Impedance Injector Drivers will safely power most Stock injectors as well as Holley EFI Injectors
- Utilizes Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control
- Built in 1bar MAP Sensor as well as vacuum hose adapters included (1/8th – 1/4 and 3/16ths)
- Boosted applications can disable the internal MAP sensor, and utilize an external MAP Sensor
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors. Adapter 558-323 required for HyperSpark Distributors
- 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
- Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table. These 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 as well as Cam Signal allow you to identify any critical engine issues at a glance
- Included 3.5" Touchscreen Handheld contains a calibration wizard, allowing 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
- In addition, the compact ECU size allows mounting virtually anywhere. Remember, diagnostic LEDS must face up!
- Free EFI Tuning Software for complete control of your Terminator X power plant
Holley 550-937F Terminator X EFI Kit Additional Features:
- 4 Inputs – 12v, Ground, 5v, and Frequency, for additional pressure sensors, activation triggers for nitrous activation, or trans brake
- 4 Outputs – Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and more
- Plug-and-Play compatible with Holley EFI accessories such as analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
- Boost Control: Yes
- Nitrous Control: Yes
- Knock Control: Yes
- Knock Channels: 2
- Engine Protection: Yes
- CANBUS Enabled: Yes
- CANBUS Networks: 1
- Traction Control: No
- Launch Control: No
- Quantity: Sold as a kit
Note: Not for use with VVT (Variable Valve Timing) systems.
Emissions: This part is legal for sale or use on Racing Use Only Vehicles, used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!
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Description
Holley designed this 550-937F Terminator X EFI Engine Management System for the 1979-1993 Ford 302 5.0L Fox Body Mustang. This kit allows complete control of your engine, self-learning fuel strategies as well as the proven, race-winning technology of Holley EFI at a budget-friendly price!
Terminator X features real-time fuel learn, high impedance injector drivers, and an integrated 1bar MAP sensor. The 4 programmable inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Comes fully loaded with base maps for common V8 Ford engine combinations to get you 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 building a budget beater or boosted race car, Terminator X has the features and technology you need at a price that won't break the bank!
Main Features:
- Plug-and-Play with Fox Body Mustangs equipped with factory 5.0L 302 cubic inch Small Block Ford, with the stock TFI Distributor
- Includes ECU Mounting Bracket - TFI Ignition Adapter - a Fox Body specific engine main harness, as well as MAT and CTS sensors
- Also includes EV1 Injector Harness, a direct replacement for the factory Ford injector harness
- High Impedance Injector Drivers will safely power most Stock injectors as well as Holley EFI Injectors
- Utilizes Bosch LSU 4.9 wideband to relay AFR information to the ECU for accurate reading and precise tuning control
- Built in 1bar MAP Sensor as well as vacuum hose adapters included (1/8th – 1/4 and 3/16ths)
- Boosted applications can disable the internal MAP sensor, and utilize an external MAP Sensor
- Plug and plug ignition capability with Dual Sync and HyperSpark Distributors. Adapter 558-323 required for HyperSpark Distributors
- 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
- Advanced Tables – 4x 1D Tables, 1x 1D per Gear Table, 4x 2D Tables, 1x 2D per Gear Table. These 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 as well as Cam Signal allow you to identify any critical engine issues at a glance
- Included 3.5" Touchscreen Handheld contains a calibration wizard, allowing 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
- In addition, the compact ECU size allows mounting virtually anywhere. Remember, diagnostic LEDS must face up!
- Free EFI Tuning Software for complete control of your Terminator X power plant
Holley 550-937F Terminator X EFI Kit Additional Features:
- 4 Inputs – 12v, Ground, 5v, and Frequency, for additional pressure sensors, activation triggers for nitrous activation, or trans brake
- 4 Outputs – Ground, PWM - , for accessories such as; fans, boost control, nitrous control, IAC Kit, and more
- Plug-and-Play compatible with Holley EFI accessories such as analog style gauges, shift lights, various modules, and coming soon, 12.3" digital dash support!
- Boost Control: Yes
- Nitrous Control: Yes
- Knock Control: Yes
- Knock Channels: 2
- Engine Protection: Yes
- CANBUS Enabled: Yes
- CANBUS Networks: 1
- Traction Control: No
- Launch Control: No
- Quantity: Sold as a kit
Note: Not for use with VVT (Variable Valve Timing) systems.
Emissions: This part is legal for sale or use on Racing Use Only Vehicles, used exclusively for competition that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle.
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, as well as intake manifolds and much more. From start to finish, Holley has the parts to make your dream a reality!











