Holley Ignitions & Electrical

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, GM, LS2, LS3, LS7, Bosch O2, Kit

Part Number: HLY-550-607

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, Super Seal, 24-20 gauge wire, 100-piece, Set

Part Number: HLY-571-135

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Black, Ignition Module, Chrysler, Dodge, Plymouth, Small Block, LA, Each

Part Number: SNE-565-304BK

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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-550-1318

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 13, 2025 if ordered today

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Alternators, Premium, OE Style, Cast Aluminum, Natural Finish, 150 amps, 12V, Internal Regulator, Serpentine Pulley, Chevy, 4.8-7.0L, Each

Part Number: HLY-197-302

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Distributor, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Polished, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, B, Each

Part Number: SNE-565-305

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Distributer Caps, Hyperspark, Service Cap, HEI, Male, Screw Down, Stainless Contacts, Rynite, Black, for SNE-565-300 Distributor, Each

Part Number: HLY-565-30

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Ignition Coil Brackets, Holley EFI, Gen III, LS Ignition Coil, Remote Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair

Part Number: HLY-561-128

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Billet Housing, Shiny, Ignition Module, Chrysler, Dodge, Plymouth, Small Block, LA, Each

Part Number: SNE-565-304

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Alternators, High-amp, OE Style, Cast Aluminum, Natural Finish, Serpentine Pulley, 130 amps, 12V, Internal Regulator, Chevy, 4.8L, 5.3L, 6.0L, Each

Part Number: HLY-197-301

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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

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Estimated Ship Date: Tomorrow

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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: Tomorrow

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Spark Plug Wire Sets, Holley EFI, Cut-toFit, for Smart Coil, 36 in. Long, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, Straight, Universal, Set

Part Number: HLY-561-113

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Camshaft Sync Pickups, Holley EFI, Camshaft Sensor, Hall Effect, M12x1 Thread, Magnetic Target, 1/4 in.-20 Thread, 3/8 in. Long, with Hardware, Kit

Part Number: HLY-554-127

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Weatherproof Connectors, Holley EFI, J2A Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

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

Part Number: HLY-558-130

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap, Steel Gear, Shiny Housing, Chevy, 6.0L, 7.0L, Each

Part Number: HLY-565-204

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Spark Plug Wire Sets, Holley EFI, Assembled, for Coil Packs, Red Wire, 8.00mm Core, Gray Silicone, Plug Boot, 135 Degree, Chevy, Camaro, 6.2L, Set

Part Number: HLY-561-102

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Spark Plug Wire Sets, Holley EFI, Assembled, for Coil Packs, Black Wire, 8.00mm Core, Black Silicone, Plug Boot, 135 Degree, Chevy, Camaro, 6.2L, Set

Part Number: HLY-561-100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ignition Module, Ford, Lincoln, Mercury, 351ci, Windsor, Each

Part Number: SNE-565-342

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Estimated Ship Date: Tomorrow

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Computers, Holley EFI, Coyote Ti-VCT, Control Module, Programmable, Ti-VCT Cam Control, CANBUS, Plug-and-Play, Ford, Coyote Engine, Each

Part Number: HLY-554-145

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Estimated Ship Date: Tomorrow

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Wiring Harnesses, Holley EFI, Pro-Billet Ignition Adapter, Plug-and-Play, Holley Main Harness to Terminator X EFI System, Each

Part Number: HLY-558-325

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Not Yet Reviewed

Estimated Ship Date: Tomorrow