Engine Management Systems

Holley HP EFI ECU and Harness Kits 550-601N

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601N

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

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: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

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: Tomorrow

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Estimated Ship Date: Tomorrow

Haltech Nexus R3 VCUs HT-193000

Engine Management Systems, Nexus R3 ECU, Transmission Controller, Each

Part Number: HTH-HT-193000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Chevrolet Performance LS7 Engine Controller Kits 19354334

Engine Management System, LS7 Engine Controller, Chevy, 7.0L, Kit

Part Number: NAL-19354334

Not Yet Reviewed

Estimated Ship Date: Mar 1, 2027 if ordered today

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Estimated Ship Date: Mar 1, 2027 if ordered today

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: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-1313

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-550-1313

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-928-2

Engine Management Systems, Terminator X MAX, Sensors, 12.3 in. Pro Dash Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-931-1

Engine Management Systems, Terminator X MAX, Analog, Sensors, 6.86 in. Pro Dash Controller, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-931-2

Engine Management Systems, Terminator X MAX, Analog, Sensors, 12.3 in. Pro Dash Controller, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Chevrolet Performance LS427/570 Engine Controller Kits 19420000

Engine Management System, LS427/570 Controller Kit, Pre-Programmed Controller, Harness, Pedal Assembly, Oxygen Sensors, Chevrolet, Kit

Part Number: NAL-19420000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow