Engine Management Systems

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1317

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Estimated Ship Date: Monday 9/15/2025

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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-550-917-6

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Estimated Ship Date: Monday 9/15/2025

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Engine Management System, FT600, EFI System, Without Harness, Each

Part Number: FCH-3010004009

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Estimated Ship Date: Monday 9/15/2025

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EZ-EFI 2.0 Self Tuning Engine Control System - Multi-Port Retro-Fit Type, Kit

Part Number: FST-30404-KIT

3.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/15/2025

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2, GM, LS2, LS7, 58x Crank Sensor, Kit

Part Number: HLY-550-603N

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Estimated Ship Date: Monday 9/15/2025

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Engine Management System, LT4, Wet and Dry Sump, Pre-Programed ECU, Harness,Sensors, Throttle Pedal, Fuel Pump Power Module, 8-Speed, 10-Speed, Kit

Part Number: NAL-19433249

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Estimated Ship Date: Monday 9/15/2025

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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 9/15/2025

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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: Monday 9/15/2025

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Engine Management Systems, Nexus R3 with Universal Wire-In Harness Kits, Transmission Controller, Kit

Part Number: HTH-HT-193200

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Estimated Ship Date: Monday 9/15/2025

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Nexus S3 ECU + Universal Wire-in Harness - 2.5m (8')

Part Number: HTH-HT-213200

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Estimated Ship Date: Monday 9/15/2025

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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-550-944

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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Engine Management System, 5.0L Crate Engine Control Pack, Ford, 5.0L, Kit

Part Number: FMS-M6017A504VB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/15/2025

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

Part Number: HLY-550-1623

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Estimated Ship Date: Monday 9/15/2025

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

Part Number: HLY-550-601

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/15/2025

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1411

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Estimated Ship Date: Monday 9/15/2025

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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

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Estimated Ship Date: Monday 9/15/2025

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Engine Management System, MS3Pro PNP, Factory Dash Control, Ford, Kit

Part Number: DIY-S0036

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Estimated Ship Date: Monday 9/15/2025

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

Part Number: NAL-19420000

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Estimated Ship Date: Monday 9/15/2025

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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: Oct 1, 2025 if ordered today

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1413

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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

Part Number: HTH-HT-193000

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Estimated Ship Date: Monday 9/15/2025

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Chevy, LS, 5.7L, Kit

Part Number: HLY-550-602

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Oct 1, 2025 if ordered today

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

Part Number: HLY-550-604

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Estimated Ship Date: Monday 9/15/2025

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MODULE KIT

Part Number: NAL-19433248

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Estimated Ship Date: Monday 9/15/2025

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, 1x Cam Sensor, Chevy, 5.7L, 6.0L, 24x Crank, Kit

Part Number: HLY-550-656

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Estimated Ship Date: Oct 1, 2025 if ordered today

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