Holley Ignitions & Electrical

Engine Management Systems, Dominator EFI, ECU, Up to 24-Injectors, 12-Coil, Digital/Analog Input, Drive-by-Wire, VVT, Trans Control, 4L60E/4L80E, Each

Part Number: HLY-554-114

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 5/12/2025

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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: Monday 5/12/2025

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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-550-917

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Monday 5/12/2025

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Ignition Box, Sniper EFI, HyperSpark 2, CD Ignition Box, Black, Capacitive Discharge, Digital, 3.80 in. Long, 3.30 in Wide, Tachometer Output, Each

Part Number: SNE-556-154

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

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

Part Number: HLY-550-918

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 5/12/2025

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Oxygen Sensors, Holley EFI, NTK, Wideband, 18mm x 1.5 Thread, 7 Wire Connection, 0-1 V, Wire Harness, 8-pin, Rectangular Plug, Each

Part Number: HLY-554-100

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-904

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-905

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, ECU, EV1 Injector Harness, Sensors, 3.5 in. Touchscreen, Ford, Foxbody, TFI, Kit

Part Number: HLY-550-937F

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Monday 5/12/2025

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Oxygen Sensors, Holley EFI, Replacement, O2 Sensor, Bosch LSU Style, 3-wire, Thread-in, Wire Harness, for Sniper EFI or Terminator X Systems, Each

Part Number: HLY-554-155

4.46 out of 5 stars ( 50 )

Estimated Ship Date: Monday 5/12/2025

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Ignition Systems, Sniper 1 EFI, HyperSpark, Ignition Box, Coil, Distributor, Wire Harness, Chevy, Big Block, Gen V, VI, Small Block, Gen 1, Kit

Part Number: SNE-565-300K

4.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 5/12/2025

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

Part Number: HLY-550-916

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 5/12/2025

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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: Monday 5/12/2025

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Engine Management Systems, Holley EFI, Terminator X Max, Up to 8-Injectors, 8-Coils, Analog Input/Outputs, Trans Controller, Chevy, Ford, Dodge, Each

Part Number: HLY-554-153

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.69 out of 5 stars ( 32 )

Estimated Ship Date: Monday 5/12/2025

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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

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Sensors, Tuner Controls, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

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Ignition Coil Wiring Harnesses, Holley EFI, Replacement, LS Coil Harness, Plug-and-Play, OE Connectors, Not for LS1/LS6, Chevy, LS Engine, Pair

Part Number: HLY-558-321

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 5/12/2025

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Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner Controls, Plug-and-Play, Universal, Kit

Part Number: HLY-550-936

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 5/12/2025

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Chevy, Small Block, Gen 1, Big Block, Gen V, Mark IV, Each

Part Number: SNE-565-300

4.61 out of 5 stars ( 38 )

Estimated Ship Date: Monday 5/12/2025

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Ignition Coil, Big Wire Coil-Near-Plug Smart Coil Kit, Black, 44,000V, 8 Coils, Harness, Kit

Part Number: HLY-556-128

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

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Transmission Harness, Holley EFI, Pre-terminated, GM, 1996-2008, 4L60E, 4L80E Transmissions, Each

Part Number: SNE-558-405

Not Yet Reviewed

Estimated Ship Date: Monday 5/12/2025

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