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42 Results Found For "Holley LS harness"

Showing In Stock Items. Show All 61 Items.

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Results 1 - 25 of 42

Holley HP EFI ECU and Harness Kits 550-602

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: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Holley Terminator LS Plug-and-Play Multi-Port Systems 550-614

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

Part Number: HLY-550-614

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1062

Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Gold, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1062

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1061

Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1061

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-928

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Sensors, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator LS Plug-and-Play Multi-Port Systems 550-613

Engine Management Systems, Terminator LS, Plug-and-Play, 8-Injectors, 8-Coils, Drive-by-Wire, Trans Control, Chevy, Truck, 4.8-6.2L, 58x Crank, Kit

Part Number: HLY-550-613

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1020

Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1020

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1028

Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Shiny, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1028

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-602N

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1030

Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1065

Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Gold, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1065

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1029

Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1029

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1021

Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1021

Not Yet Reviewed

Estimated Ship Date: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022

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Estimated Ship Date: Tomorrow

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Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1060

Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1060

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Nov 18, 2026 if ordered today

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Estimated Ship Date: Nov 18, 2026 if ordered today

Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022

Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Gold Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1022

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1063

Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Shiny, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1063

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Estimated Ship Date: Nov 19, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-928-6

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-934

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-927

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-927

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Holley HP EFI ECU and Harness Kits 550-603

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: Tomorrow

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Estimated Ship Date: Tomorrow

Holley Terminator X MAX Engine Management Systems 550-918-6

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-918-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-928T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Sensors, Trans Control, USB Cable, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928T

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-926

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-926

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Terminator X Max GM Gen V LT Direct Injection Kits 550-1624

Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Self Tuning, Power Adder Compatible, Wiring Harness, Oxygen Sensor. GM Late, Kit

Part Number: HLY-550-1624

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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