Holley Ignitions & Electrical

Computer Mounting Brackets, Holley EFI, Dominator ECU, Mounting Bracket, Steel, Black Finish, for Under Passenger Seat, Ford, Mustang, Fox Body, Each

Part Number: HLY-554-156

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Estimated Ship Date: Today

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

Part Number: HLY-550-927T

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Estimated Ship Date: Today

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Wiring Harness Adapters, Sniper EFI 1 Harness to Sniper EFI 2 System, Pre-Terminated, Each

Part Number: SNE-558-489

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, J3 Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-347

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Estimated Ship Date: Today

Wiring Harnesses, Holley EFI, LT4 Engine, Main Harness, for Terminator X, V3 ECU, Cadillac, Chevy, Each

Part Number: HLY-558-130

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Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford Coyote, Plug-and-Play, for HP EFI, Dominator EFI, Ford, F150, Mustang, 5.0L, Each

Part Number: HLY-558-317

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit

Part Number: HLY-550-605

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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• Special Order

Camshaft Sync Pickups, Hall Effect Sensor, with Bracket, 1/4 in.-20 Magnetic, 0.400 in. Raised Cam, External Dry Cam Drive, Chevy, Big Block, Kit

Part Number: HLY-556-120

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Estimated Ship Date: Today

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Wire Harnesses, Sniper 2 EFI, Adapter for Pro-Billet Distributer or 2-Wire Magnetic pickup Trigger, Each

Part Number: HLY-558-330

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Pontiac, 326-455ci, Each

Part Number: SNE-565-314BK

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Estimated Ship Date: Today

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI, Black Cap, Steel Gear, Black Housing, Pontiac, 5.3-7.5L, Each

Part Number: HLY-565-207BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fuel Injection System Components, Holley EFI, 1/8 in.-NPT, Sensor Block, Four Independent Ports, Aluminum, Black Anodized, Each

Part Number: HLY-534-35

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: HLY-550-929T

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Estimated Ship Date: Today

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Wire Connectors, Holley EFI, 4-pin CAN Connector, Main Harness Side, Mizu-P25, 4-pin, Male, Black Plastic, Universal, Each

Part Number: HLY-570-229

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Data Acquistion Wiring Harnesses, Holley EFI, I/O Adapter and Unterminated Vehicle Harness, for 7 in. Digital Dash, USB Memory Stick Included, Kit

Part Number: HLY-558-433

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI Cap, Steel Gear, Black Housing, Ford, Lincoln, Mercury, 5.8-7.5L, Each

Part Number: HLY-565-210BK

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Adapter Harnesses, Holley EFI, MAP Sensor Adapter, MPFI Weatherpack 2-pin to 3-pin Delphi GT Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

MAP Sensors, Holley EFI, 7 Bar Range, 88.4 psi, 1/8 in.-27 NPT, Output 0.5-4.5 V, Stainless Case, for Forced Induction Engines, Each

Part Number: HLY-554-135

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 27.5 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each

Part Number: HLY-554-177

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Estimated Ship Date: Today

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Ignition Coil Wiring Harnesses, Holley EFI, Coyote Ti-VCT, Coil Harness, OE Connectors, Plug-and-Play, for HP EFI, Dominator EFI, Ford, 5.0L, Each

Part Number: HLY-558-322

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Data Acquistion Wiring Harnesses, Holley EFI, I/O Adapter and Terminated Vehicle Harness, for 7 in. Digital Dash, USB Memory Stick Included, Kit

Part Number: HLY-558-434

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ignition Coils, Holley EFI, Gen III Hemi, Smart Coils, Black, 32,000V, Rectangular, Connector/Pins, for HP, Dominator, 8-piece, Chrysler, Dodge, Set

Part Number: HLY-556-163

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Estimated Ship Date: Today

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Electrical Wires, Holley EFI, Shielded Cable, Black Jacket, 7-conductor, Five 18 gauge Wires, Two 20 gauge Wires, Wideband, 25 ft. Spool, Each

Part Number: HLY-572-100

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Estimated Ship Date: Today

Interconnect Cables, Holley EFI, Sealed USB Cable, Data/Communications, 180 in. Long, Single Male Ends, Each

Part Number: HLY-558-438

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Estimated Ship Date: Today

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