Engine Management Systems

Fuel Injection Engine Management System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, With Tablet, LS Gen IV 58X, Engine Swap, Kit

Part Number: EDL-35712

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Oct 22, 2025 if ordered today

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Engine Management System, LT5, Supercharged, Controller, Manual Transmission, Chevy, 6.2L V8, Kit

Part Number: NAL-19418270

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Estimated Ship Date: Jan 21, 2026 if ordered today

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

Part Number: DIY-S0014

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit

Part Number: HLY-550-625N

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Engine Management System, LT4, 8-Speed, Kit

Part Number: NAL-19419242

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-659

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Estimated Ship Date: Oct 21, 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: Oct 21, 2025 if ordered today

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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

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Estimated Ship Date: Oct 21, 2025 if ordered today

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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

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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-550-653

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-617

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 21, 2025 if ordered today

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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

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Estimated Ship Date: Oct 21, 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, NTK O2, Wideband, GM, LS2, LS3, LS7, Kit

Part Number: HLY-550-607N

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Estimated Ship Date: Oct 21, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628N

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Estimated Ship Date: Oct 21, 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, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601N

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Estimated Ship Date: Oct 21, 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, NTK O2, Wideband, CANBUS, Universal, MPFI, Kit

Part Number: HLY-550-604N

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Estimated Ship Date: Tomorrow

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Engine Management Systems, Elite 2500 ECU with Premium Universal Wire-In Harness, 16 ft. Premium Wiring Harness, Kit

Part Number: HTH-HT-151305

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Engine Management Systems, Nexus R3 with Plug and Pin Set, Transmission Controller, Kit

Part Number: HTH-HT-193100

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Estimated Ship Date: Oct 20, 2025 if ordered today

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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: Oct 21, 2025 if ordered today

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ECU, Fast XFI, Fuel Injection, with Data Logging, Kit

Part Number: FST-301003

3.0 out of 5 stars ( 1 )

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Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2013-Up, Swap, Kit

Part Number: EDL-36120

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Engine Management System, LS9, Controller, Harness, Fuse Box, Electronic Throttle Pedal, Oxygen Sensors, Mass Air Flow Sensor, Chevrolet, LS9, Kit

Part Number: NAL-19369382

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Engine Control Unit, Marine, XFI 2.0, O-Ring Sealed, Kit

Part Number: FST-301015

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Estimated Ship Date: Dec 9, 2025 if ordered today

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

Part Number: HLY-550-1424

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Estimated Ship Date: Oct 22, 2025 if ordered today

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