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Holley HP EFI ECU and Harness Kits 550-606

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

Part Number: HLY-550-606

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-607

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

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-607N

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

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley Terminator LS Plug-and-Play Multi-Port Systems 550-615

Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Drive-by-Wire, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit

Part Number: HLY-550-615

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits for 2015-2017 F-150, 2016-2017 MUSTANG - 550-619N

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

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-625N

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

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-628N

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

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Chevrolet Performance 556 HP LSA Engine Controller Kits 19369381

Engine Management System, LSA Controller, Chevy, 6.2L, Kit

Part Number: NAL-19369381

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

FAST Engine Management Systems 303000U

Fuel injection system ENGINE CONTROL SYSTEM, XFI SPORT UNT

Part Number: FST-303000U

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36110

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36110

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2011-15.5, Swap, Kit

Part Number: EDL-36110

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36140

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2008-12, Swap, Kit

Part Number: EDL-36140

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Holley Terminator X Engine Management Systems 550-1225

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026

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Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36150

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2005-07, Swap, Kit

Part Number: EDL-36150

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Cobb Tuning Products Engine Management Systems AP3-POR-006-PDK

ACCESSPORT W/PDK FLASHING

Part Number: CBT-AP3POR006PDK

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Chevrolet Performance Engine Management Systems 19433736

CONTROLLER KIT LT8

Part Number: NAL-19433736

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

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Estimated Ship Date: Jun 29, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36160

Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2015.5-17, Swap, Kit

Part Number: EDL-36160

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Edelbrock Pro-Flo 4 Plus Self-Learning Engine Management Systems 36120

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

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Holley Terminator X MAX Engine Management Systems 550-1425

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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FAST XFI 2.0 Marine Engine Control Units 301015

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

Part Number: FST-301015

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1312

Engine Management Systems, Terminator X MAX, Up to 8-EV1 Injectors, 8-Coil, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0L, Kit

Part Number: HLY-550-1312

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today