1991 Engine Management Systems

Engine Management Systems, Terminator X, ECU, EV1 Injector Harness, Sensors, 3.5 in. Touchscreen, Ford, Foxbody, TFI, Kit

Part Number: HLY-550-937F

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Friday 12/26/2025

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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: Friday 12/26/2025

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Engine Management Systems, Ultimate TPI Standalone ECUs, Boost Ready, Handheld Controller, Display, Chevrolet, 5.0L, 5.7L, Each

Part Number: FIF-38350

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Friday 12/26/2025

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Engine Management Systems, Ultimate TPI, Dual O2 Sensor, Transmission Controller, 700-R4, 200-4R, Chevy, Kit

Part Number: FIF-38351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Ford, Each

Part Number: DIY-S0040

Not Yet Reviewed

Estimated Ship Date: Friday 12/26/2025

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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-550-943

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 12/26/2025

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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

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Estimated Ship Date: Friday 12/26/2025

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Chevy, 4.3-7.4L, Push-rod Engine, Kit

Part Number: HLY-550-654

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Estimated Ship Date: Friday 12/26/2025

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit

Part Number: HLY-550-655

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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: Friday 12/26/2025

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Engine Management Systems, Ultimate TPI, Transmission Controller, 4L60E, 4L80E, Chevy, Kit

Part Number: FIF-38352

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 12/26/2025

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PRO FLO 4 EFI ECU AND ELECTRONICS KIT, FORD 351W

Part Number: EDL-35718

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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PRO FLO 4 EFI ECU AND ELECTRONICS KIT, FORD 289, 302

Part Number: EDL-35717

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for Nissan, S13, Kit

Part Number: HTH-HT-212315

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Estimated Ship Date: Friday 12/26/2025

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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

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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

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Estimated Ship Date: Jan 12, 2026 if ordered today

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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: Jan 12, 2026 if ordered today

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