Holley Ignitions & Electrical

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Ford Injector Spacing, 4R70W Harness, Kit

Part Number: HLY-550-944

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Jeep, AMC, Inline, 6 Cylinder, 4.2L, Each

Part Number: SNE-565-307

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Late ,Kit

Part Number: HLY-550-1634-6

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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

Part Number: HLY-550-933

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Spark Plug Wire Sets, Holley EFI, Cut-to-Fit, OE Coil Packs, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, Straight, Chevy, LS Engine, Set

Part Number: HLY-561-110

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 60 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each

Part Number: HLY-554-180

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

Data Acquisition, Holley EFI, Single-channel, CAN EGT, 1/4 in. Stainless Bung, 1/4 in. Probe, for Holley EFI Systems, HP, Dominator, Terminator X, Kit

Part Number: HLY-554-184C

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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• Special Order

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1409

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 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-550-910T

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, O2 Sensor, Plug-and-Play, Tuner, Controller, Dodge, Chrysler, 5.7-6.4L, Kit

Part Number: HLY-550-1225

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Fuel Injection System Components, Holley EFI, Main Harness, Plug-and-Play, Factory PWM/IAC Connectors, with OE Injectors, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-128

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Crank Triggers, Holley EFI, 7 in. Diameter, Aluminum, Silver, Adjustable Bracket, Black, 3-wire Pickup, 12-1X, Hall Effect, Chevy, Small Block, Kit

Part Number: HLY-556-171

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

Camshaft Sync Pickups, Holley EFI, Cam Sync Sensor, 3-wire Hall Effect Pickup, M12x1 Threads, Pre-Terminated, for Flying Magnetic Target Only, Each

Part Number: HLY-554-125

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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: Monday 3/30/2026 if shipped by air

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 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap, Steel Gear, Shiny Housing, Ford, 5.4-7.0L, Each

Part Number: HLY-565-205

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Polished Housing, Oldsmobile, 4.3-7.5L, Each

Part Number: HLY-565-206

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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• Special Order

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

Part Number: HLY-550-959

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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Fuel Injection System Wiring Harnesses, Holley EFI, Ford GT500, 3V Drive-by-Wire, Throttle Body Harness, Plug-and-Play, Ford, Mustang, 4.6L, 5.4L, Kit

Part Number: HLY-558-461

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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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

Not Yet Reviewed

Estimated Ship Date: Monday 3/30/2026 if shipped by air

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