Engine Management Systems

Holley Terminator X Engine Control Modules 554-152

Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

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Summit Racing™ Megasquirt Engine Management Combos for 1986-1993 MUSTANG, 1986-1988 THUNDERBIRD - 03-0269

Engine Management System Combo, Megasquirt PNP Gen2, Wideband Gauge, Ford, Kit

Part Number: CMB-03-0269

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FAST XFI Sportsman EFI Engine Control Systems 303000

Engine Control System, XFI Sportsman EFI, ECU, Wiring Harness, Wide-band O2 Sensor, Kit

Part Number: FST-303000

3.4 out of 5 stars ( 5 )

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Summit Racing™ Megasquirt Engine Management Combos for 1994-1995 MUSTANG - 03-0270

Engine Management System Combo, Megasquirt PNP Gen2, Wideband Gauge, Ford, Kit

Part Number: CMB-03-0270

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Holley Terminator X Max GM Gen V LT Direct Injection Kits 550-1624

Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Self Tuning, Power Adder Compatible, Wiring Harness, Oxygen Sensor. GM Late, Kit

Part Number: HLY-550-1624

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Holley Terminator X MAX Engine Management Systems 550-917

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917

4.41 out of 5 stars ( 17 )

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Holley Terminator X MAX Engine Management Systems 550-928

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Sensors, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928

4.4 out of 5 stars ( 10 )

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Holley Terminator X Engine Management Systems for 1983-1993 MUSTANG - 550-937F

Engine Management Systems, Terminator X, ECU, EV1 Injector Harness, Sensors, 3.5 in. Touchscreen, Ford, Foxbody, TFI, Kit

Part Number: HLY-550-937F

4.32 out of 5 stars ( 19 )

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Holley Terminator X MAX Engine Management Systems 550-918

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-918

4.43 out of 5 stars ( 7 )

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Holley Terminator X MAX Engine Management Systems 550-919

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919

4.9 out of 5 stars ( 10 )

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Holley Terminator X Engine Management Systems 550-905

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-905

4.11 out of 5 stars ( 9 )

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Holley Terminator X Engine Management Systems 550-904

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-904

4.9 out of 5 stars ( 10 )

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Holley Terminator X Engine Management Systems 550-936

Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner Controls, Plug-and-Play, Universal, Kit

Part Number: HLY-550-936

3.5 out of 5 stars ( 4 )

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Holley Terminator X MAX Engine Management Systems 550-916

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916

4.64 out of 5 stars ( 11 )

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Holley Terminator X MAX Engine Management Systems 550-928-6

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928-6

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-909

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

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Holley Terminator X MAX Engine Management Systems 550-931

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Sensors, Tuner Controls, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931

3.75 out of 5 stars ( 4 )

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Holley Terminator X Engine Management Systems 550-903

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.71 out of 5 stars ( 34 )

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Holley Terminator X MAX Engine Management Systems 550-927

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-927

3.88 out of 5 stars ( 8 )

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Holley Terminator X MAX Engine Management Systems 550-934

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

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Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36130

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36130

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, 24 or 58x Harness Required, Chevy, LS, Swap, Kit

Part Number: EDL-36130

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

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FiTech Ultimate LS Standalone ECUs 70050-1

4 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Terminator X Engine Management Systems 550-904T

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-904T

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today