Engine Management Systems

Engine Management Systems, HP EFI, ECU, Replacement, Plug-and-Play, 16-Injectors, Eight Coils, Analog Inputs, USB Cable, Software, Each

Part Number: HLY-554-113

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

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

Part Number: DIY-S0040

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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: Today

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Computer, Engine Control Unit Only, for 70050, Chevy, LS, Each

Part Number: FIF-70050-1

4.0 out of 5 stars ( 1 )

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Computer, Engine Control Unit, Without Transmission Control, Chevy, LS, Each

Part Number: FIF-70050

3.84 out of 5 stars ( 19 )

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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 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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Engine Management Systems, MegaSquirt Gen2, Plug and Play, Ford, Each

Part Number: DIY-S0041

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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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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: Today

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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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ECU Replacement for 30226-KIT

Part Number: FST-30226

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 21, 2026 if ordered today

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Engine Management Systems, Elite 2500 ECU, Four Digital Inputs, Ten Analog Inputs, Each

Part Number: HTH-HT-151300

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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: Jan 30, 2026 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, Universal, Un-terminated, Kit

Part Number: HLY-550-605N

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Estimated Ship Date: Jan 30, 2026 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, Ford, Multi-Point, Kit

Part Number: HLY-550-606N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 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, Un-terminated, Kit

Part Number: HLY-550-605

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2 Sensor, GM, LS, 24x Crank Sensor, Kit

Part Number: HLY-550-602N

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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: Feb 2, 2026 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, GM, LS2, LS3, LS7, Bosch O2, Kit

Part Number: HLY-550-607

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Estimated Ship Date: Jan 30, 2026 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: Jan 30, 2026 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-550-619N

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Estimated Ship Date: Jan 30, 2026 if ordered today

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