Holley Engine Management Systems - Free Shipping on Orders Over $109 at Summit Racing

Holley Dominator EFI Vehicle Management Systems 554-114

Engine Management Systems, Dominator EFI, ECU, Up to 24-Injectors, 12-Coil, Digital/Analog Input, Drive-by-Wire, VVT, Trans Control, 4L60E/4L80E, Each

Part Number: HLY-554-114

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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 MAX Engine Control Modules 554-153

Engine Management Systems, Holley EFI, Terminator X Max, Up to 8-Injectors, 8-Coils, Analog Input/Outputs, Trans Controller, Chevy, Ford, Dodge, Each

Part Number: HLY-554-153

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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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

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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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, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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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

Not Yet Reviewed

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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 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-928T

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

Part Number: HLY-550-928T

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1631

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1631

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-926

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

Part Number: HLY-550-926

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Terminator X Engine Management Systems 550-937

Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner, Universal MPFI Main Harness, Kit

Part Number: HLY-550-937

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Holley Terminator X Engine Management Systems 550-905T

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

Part Number: HLY-550-905T

Not Yet Reviewed

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Holley Terminator X Max GM Gen V LT Direct Injection Kits 550-1634-6

Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Late ,Kit

Part Number: HLY-550-1634-6

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-920

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-920

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-1425

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit

Part Number: HLY-550-1425

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-943

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Ford Injector Spacing, 4R70W Harness, Kit

Part Number: HLY-550-943

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-933

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Tuner Controls, Chevy, LS, 4,8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-933

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-935

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-935

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley HP EFI ECU and Harness Kits 550-603

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, GM, LS2, LS7, 58x Crank Sensor, Kit

Part Number: HLY-550-603

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Terminator X Max GM Gen V LT Direct Injection Kits 550-1633-6

Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Early ,Kit

Part Number: HLY-550-1633-6

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2025 if ordered today

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Estimated Ship Date: Aug 21, 2025 if ordered today

Holley Terminator X MAX Engine Management Systems 550-942

Engine Management Systems, Terminator X MAX, Up to 8-EV1 Injectors and 8-Coils, Analog, Trans and Tuner Controls, GM 4L60-E, 4L80-E, Wire Harness, Kit

Part Number: HLY-550-942

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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