Engine Management Systems

Holley Terminator X Engine Management Systems 550-1211

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1211

Not Yet Reviewed

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Holley Replacement Terminator EFI Engine Control Modules 554-119

Engine Management Systems, Terminator EFI, Module, Replacement, Self-Tune, Controls 8-Injectors, 8-Coils, Four Analog Inputs, Wideband, CANBUS, Each

Part Number: HLY-554-119

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 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

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Holley Terminator X Engine Management Systems 550-1224

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coil, Analog, O2 Sensor, Plug-and-Play, Controller, Dodge, Chrysler, 5.7-6.4L, Kit

Part Number: HLY-550-1224

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

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 )

Estimated Ship Date: Today

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Holley Terminator X Engine Management Systems 550-1220

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1220

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1630LSD

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

Part Number: HLY-550-1630LSD

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1610

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

Part Number: HLY-550-1610

Not Yet Reviewed

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Holley Terminator LS Plug-and-Play Multi-Port Systems 550-613

Engine Management Systems, Terminator LS, Plug-and-Play, 8-Injectors, 8-Coils, Drive-by-Wire, Trans Control, Chevy, Truck, 4.8-6.2L, 58x Crank, Kit

Part Number: HLY-550-613

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-1215

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1215

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1420

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit

Part Number: HLY-550-1420

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1422

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

Part Number: HLY-550-1422

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-1221

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1221

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1315

Engine Management Systems, Terminator X MAX, Up to 8-EV6 Injectors, 8-Coil, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0L, Kit

Part Number: HLY-550-1315

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1510

Engine Management Systems, Terminator X MAX, Up to 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0, Kit

Part Number: HLY-550-1510

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1412

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1412

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-1214

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1214

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-1210

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1210

Not Yet Reviewed

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Holley Terminator X MAX Engine Management Systems 550-1620LSD

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

Part Number: HLY-550-1620LSD

Not Yet Reviewed

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Holley Terminator X Engine Management Systems 550-1212

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1212

Not Yet Reviewed

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FAST EZ-EFI 2.0 LS Self-Tuning Engine Control Systems 30405-KIT

EZ-EFI 2.0 Self Tuning Engine Control System, GM, LS, Engine Swap, Kit

Part Number: FST-30405-KIT

1.2 out of 5 stars ( 5 )

Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

Holley Terminator LS Plug-and-Play Multi-Port Systems 550-615

Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Drive-by-Wire, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit

Part Number: HLY-550-615

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

FAST XFI Sportsman EFI Engine Control Systems 303004

Engine Management System, XFI Sportsman, ECU, Ignition Controller, 02 Sensor, Wiring Harness, Software, USB Cable, Chevrolet, LS, Kit

Part Number: FST-303004

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2026 if ordered today

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Estimated Ship Date: Jun 25, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1312

Engine Management Systems, Terminator X MAX, Up to 8-EV1 Injectors, 8-Coil, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0L, Kit

Part Number: HLY-550-1312

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

FiTech Ultra Port EFI Standalone ECUs 30-99

Engine Management Systems, Ultra-Port EFI, Up to 8-injectors, Single Wideband, No Transmission Control, Universal, Kit

Part Number: FIF-30-99

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today