Engine Management Systems

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

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Estimated Ship Date: Sep 8, 2025 if ordered today

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

Part Number: HLY-550-1631LSD

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Estimated Ship Date: Sep 8, 2025 if ordered today

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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

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Engine Management Systems, Terminator X MAX, Universal, 8-EV1 Injectors, 8-Coils, GM Drive-by-Wire, GM Trans Harness, Domestic, Pushrod Engine, Kit

Part Number: HLY-550-959

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Estimated Ship Date: Sep 8, 2025 if ordered today

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

Part Number: HLY-550-935T

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Engine Management Systems, Terminator X MAX, Universal, 8-EV1 Injectors, 8-Coils, GM Drive-by-Wire, Tuner/Trans Control, Domestic, Pushrod Engine, Kit

Part Number: HLY-550-950

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Engine Management System Lt4, Pre-Programed ECU, Harness,Sensors, Throttle Pedal, Fuel Pump Power Module, Kit

Part Number: NAL-19418595

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Plug-and-Play, Analog Inputs, Controller, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1600

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Engine Management System, LS 376/525 HP Engine Controller, Chevy, Kit

Part Number: NAL-19354332

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: FMS-M-6017-504V

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: HTH-HT-150900

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Engine Management System, 5.0L Control Pack, Ford, Automatic Transmission, Kit

Part Number: FMS-M6017M50BAA

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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: Today

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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: Today

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Engine Management System, Godzilla 7X, PCM, Air Cleaner Assembly, Sensors, Accelerator Pedal, Manual Transmission, Ford, Kit

Part Number: FMS-M-6017-73M

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit

Part Number: HLY-550-1421

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

Part Number: HTH-HT-213200

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Estimated Ship Date: Sep 8, 2025 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: Today

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Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit

Part Number: DIY-S0012

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Estimated Ship Date: Sep 8, 2025 if ordered today

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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: 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-550-1409

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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: Today

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Engine Management System, Godzilla 7X, PCM, Air Cleaner Assembly, Sensors, Accelerator Pedal, Automatic Transmission, 10R80, Ford, Kit

Part Number: FMS-S0071

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