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Holley Terminator X Engine Management Systems 550-1217

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1217

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1216

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1216

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1994-1995 MUSTANG - MSPNP2-EEC4B8 V2.0

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1994-1995 MUSTANG - MSPNP2-EEC4B8 V2.0

Engine Management Systems, MegaSquirt Gen2, Plug and Play, Ford, Each

Part Number: DIY-S0041

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley HP EFI ECU and Harness Kits 550-628

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-945

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans/Tuner Controls, Ford Injector Spacing, GM 4L60E/80E, Harness, Kit

Part Number: HLY-550-945

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-930T

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930T

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-1424

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit

Part Number: HLY-550-1424

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-927T

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

Part Number: HLY-550-927T

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley HP EFI ECU and Harness Kits 550-605

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit

Part Number: HLY-550-605

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-606

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-920T

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

Part Number: HLY-550-920T

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Edelbrock Pro-Flo 4 LS Self Learning Engine Management Systems 35712

Fuel Injection Engine Management System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, With Tablet, LS Gen IV 58X, Engine Swap, Kit

Part Number: EDL-35712

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-918T

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

Part Number: HLY-550-918T

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Dominator EFI Vehicle Management Systems 550-660

Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Drive-by-wire, Trans Control, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-660

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Haltech Elite 1500 ECU HT-150900

Engine Management Systems, Elite 1500 ECU, Four Digital Inputs, Ten Analog Inputs, Each

Part Number: HTH-HT-150900

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

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

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Dominator EFI Vehicle Management Systems 550-652

Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Chevy, Chrysler, Dodge, Push-rod Engine, Kit

Part Number: HLY-550-652

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

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: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1218

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1218

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-1423

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

Part Number: HLY-550-1423

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-910T

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-550-910T

Not Yet Reviewed

Estimated Ship Date: Monday 4/6/2026 if shipped by air

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Estimated Ship Date: Monday 4/6/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-916T

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916T

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/6/2026 if shipped by air