CHEVROLET Holley Ignitions & Electrical

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1621

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, Tuner Controls, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-932

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-660

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, 1x Cam Sensor, Chevy, 5.7L, 6.0L,24x Crank, Kit

Part Number: HLY-550-650

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-905T

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Chevy, Chrysler, Dodge, Push-rod Engine, Kit

Part Number: HLY-550-652

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-920

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap, Iron Gear, Black Housing, Chevy, 4.3-7.4L, Each

Part Number: HLY-565-200BK

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Ignition Module, Shiny Billet Housing, Chevy, Gen I, 262-400ci, Mark IV-V, 396-454ci, Each

Part Number: SNE-565-340

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Automatic Transmission Controllers, Holley EFI, GM 6L80, 6L90 Transmissions, Hand-held Tuner, Plug-and-Play, for Terminator X Max ECU, Each

Part Number: HLY-558-499

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Sensors, USB Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919T

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap, Iron Gear, Polished Housing, Chevy, 4.3-7.4L, Each

Part Number: HLY-565-200

1.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-935

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-651

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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-550-910

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917T

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1630

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-931T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-903T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Ignition Coil Wiring Harnesses, Holley EFI, Coil-On/Near Plug Harness, for GM LSx Coil Harness, Holley 558-312, to HP, Dominator EFI Systems, Each

Part Number: HLY-558-307

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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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

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: HLY-550-918T

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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