Holley Ignitions & Electrical

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1316

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

Part Number: HLY-550-1620

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Wiring Harness, Holley EFI, Gen III Hemi, VVT, Sub-Harness Only, Plug-and -Play, for Terminator X, Terminator X Max EFI, Dodge, 5.7L, 6.4L, Each

Part Number: HLY-558-131

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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-550-910T

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Crankshaft Position Sensors, Holley EFI, Replacement, Hall Effect, Crank Trigger Sensor, with Pigtail Connection, Unterminated, Each

Part Number: HLY-554-117

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, 350-400ci, Each

Part Number: SNE-565-345

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Wideband Connector, Main Harness Side, Metripack, 8-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-200

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Wiring Harnesses, Holley EFI, Benchtop Harness, Test Harness, EFI Input Connectors, Power Switch, for HP, Dominator, Terminator, Sniper ECUs, Each

Part Number: HLY-558-127

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Weatherproof Connectors, Holley EFI, Replacement, Hall Effect Sensor Connector, Metripack, 3-pin Female, Black, Pins, Seals, TPA, for 554-118, Each

Part Number: HLY-570-223

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Wiring Harnesses, Holley EFI, GM Gen V, GDI Late, Sub-Harness, Direct Injection, Pre-Terminated, 4-pin Fuel Sensor, GM, Late LT Based, Engines, Each

Part Number: HLY-558-221

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Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1217

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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, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916T

5.0 out of 5 stars ( 2 )

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Sensors, Replacement, Coolant Temperature, Analog Style, Brass, Natural, 3/8 in. NPT, for Holley Pro-Jection Systems, Each

Part Number: HLY-534-2

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Black Housing, Chrysler, Dodge, Plymouth, 6.3L, 6.6L, Each

Part Number: HLY-565-209BK

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Ignition, Sub-harness Connector, Metripack, 10-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-204

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Wiring Harnesses, Holley EFI, Gen V, LT Engine, Main Harness, for Terminator X, Terminator X Max, ECU Only, Chevy, 5.3L, 6.2L, Each

Part Number: HLY-558-129

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Switches, Windshield Wiper, Rotary Style, 6 amp, 1 3/8 in. Diameter, Steel Case, Plastic, Black Knob, Two Speed, Push-to-Wash, fit Bezel 553-342, Each

Part Number: HLY-553-343

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ford, Lincoln, Mercury, 351ci, Cleveland, 429-460ci, Each

Part Number: SNE-565-343

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Engine Management Systems, Terminator X MAX, Universal, 8-EV1 Injectors, 8-Coils, GM Drive-by-Wire, Tuner/Trans Control, Domestic, Pushrod Engine, Kit

Part Number: HLY-550-950

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Alternator and Generators, Gen III, Hemi, Alternator and Relocation Bracket, 150 amp, Serpentine, 12V, Steel Bracket, Black, Dodge, 5.7-6.4L, Kit

Part Number: HLY-97-369

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Oldsmobile, 260-455ci, Each

Part Number: SNE-565-310BK

5.0 out of 5 stars ( 2 )

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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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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Black Housing, Chrysler, Dodge, Plymouth, 4.5-5.9L, Each

Part Number: HLY-565-208BK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crank Trigger Wheels, Holley EFI, Replacement, 12-1X, Hall Effect, 6.25 in. Diameter, Aluminum, Silver, Chevy, LS, Small Block, Each

Part Number: HLY-556-185

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Estimated Ship Date: Mar 30, 2026 if ordered today

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