Holley Ignitions & Electrical

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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Distributor, HyperSpark, HEI Cap, Hall Effect, Billet Aluminum, Black Anodized, Steel Gear, Chevy, L6, Each

Part Number: SNE-565-316BK

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Distributor Rotor, Holley Sniper EFI HyperSpark Rotor, Brass Contact Terminal, Fits 565-300 Series Hyperspark Distributors, Each

Part Number: SNE-566-106

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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 )

Estimated Ship Date: Today

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Wiring Harnesses. Holley EFI, Replacement, Input/Output Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-462

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ignition Coil Drivers, Holley EFI, Coil Drivers, Potted, Two Modules, Four Channel, for Two Wire Dumb Coils, Chrysler, Dodge, Ford, Kit

Part Number: HLY-554-122

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X, Hillborn EFI Intake, 8 EV1 Injectors, 8 Coils, Analog inputs, Chevy, Big-block, Push-rod Engine, Kit

Part Number: HLY-550-718

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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: Today

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit

Part Number: HLY-550-1424

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, J2B Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-346

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Data Acquisition Components, Holley EFI, EGT Probe, 90 Degree, Open End Tip, 18.5 in Harness, 1/4 in. Probe, Stainless Wire Cover, Each

Part Number: HLY-554-175

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Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.375 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-104

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

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: Today

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.500 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-106

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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 ( 3 )

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Late Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-311

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: HLY-550-926T

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 8 ft. Long, for Racepak or CAN Device, Each

Part Number: HLY-558-453

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Estimated Ship Date: Today

Distributor Caps, Holley EFI, Replacement, Dual-Sync Cap, Male/HEI, Screw Down, Stainless Contacts, Rynite, Black, Small Diameter, with Retainer, Each

Part Number: HLY-566-105

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Weatherproof Connectors, Holley EFI, J4 Input/Output Connector, OEM Style, Black Plastic, includes Pins, Seals, TPA, Kit

Part Number: HLY-570-348

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Convoluted Tubing, Wire Looms and Wire Sleeves, Holley EFI, Split Wire Loom, Black Nylon, Slip-on Insulation, 0.250 in. I.D., 10 ft. Long, Each

Part Number: HLY-573-102

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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: Today

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Ignition Coil Brackets, Holley EFI, Holley Smart Coil, Remote Coil Relocation Bracket, Aluminum, Black Finish, Hardware Included, Pair

Part Number: HLY-561-131

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Estimated Ship Date: Today

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