Holley Ignitions & Electrical

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1319

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Wire Connectors, Weatherproof Pigtail, Female Connector, Dual 8mm Pin, Air Conditioning, R-4 Style, Radial Compressor, Each

Part Number: HLY-199-200

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Weatherproof Connectors, Holley EFI, IAC 4-square Connector, Main Harness, Weather Pack, 4-cavity, Tower, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-214

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Weatherproof Connectors, Holley EFI, Ford Coyote, Cam Position Sensor Connector, Sealed, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-239

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Connector Kits, Replacement, Connectors, Male, Pins, Grommets, Stealth Ram, Power Pack, for MAP, IAC, TPS, Coolant, Air Intake, Sensors, Kit

Part Number: HLY-534-213

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930T

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Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 4V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Mustang, 4.6L, Each

Part Number: HLY-558-315

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Hemi, Knock Sensor Connector, Main Harness, DMS 2-pin, Female, Black Plastic, includes Pins, Seals, TPA, Each

Part Number: HLY-570-230

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Camshaft Sync Pickups, Hall Effect Sensor, 3-wire, with Bracket, 1/4 in.-20 Flying Magnet, for External Dry Cam Drive, Ford, Early Model, Kit

Part Number: HLY-556-123

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, White, Metripack, 18-22 gauge wire, 100-piece, Set

Part Number: HLY-571-108

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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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Ignition Coils, Holley EFI, Gen III Hemi, Smart Coils, Black, 32,000V, Rectangular, with Connector, Pins, for HP, Dominator ECU, Chrysler, Dodge, Each

Part Number: HLY-556-162

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Ignition Coil Spacer, Plastic, Black, 0.575 in. Tall, Chevy, Small Block Gen V, Set of 16

Part Number: HLY-241-189

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator X, Terminator Max X Systems, Ford, Mustang, 5.0L, Each

Part Number: HLY-558-513

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Crankshaft Position Sensors, Holley EFI, Ford 7.3L, Godzilla, Conditioning Module, for Dominator, HP, Terminator X, with V6-300, V3-100 Builds, Each

Part Number: HLY-558-474

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Weatherproof Connectors, Holley EFI, Ford Coyote/Modular, TPS Connector, Main Harness, DMS 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-231

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Weatherproof Connectors, Holley EFI, MAP Connector, Main Harness, Weather Pack, 3-cavity, Tower, Green Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-212

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Ignition Coils, Holley EFI, Coyote, Smart Coils, Black, 50,000V, Rectangular, Connector, Pins Included, for HP, Dominator ECU, Ford, Each

Part Number: HLY-556-160

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Estimated Ship Date: Mar 30, 2026 if ordered today

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

Part Number: HLY-565-204BK

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

Part Number: HLY-558-220

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 2-barrel, 4-barrel, Each

Part Number: HLY-543-29

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Wiring Harnesses, RetroBright, Adapter, H4, Non-Standard Plug, Pin-Out Swap, Plastic Version, Entry Level, Pair

Part Number: HLY-H821

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Distributor Caps, Holley EFI, Coil-on-Plug, Black Cap, Screw Down Style, Black, compatible with Dual-Sync Distributors, 100 Series, Each

Part Number: HLY-566-101

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Hemi Cam/Crank Connector, Main Harness, APEX 1.2, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-234

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Wiring Connector Replacement Parts, Holley EFI, Replacement, Weather Seal, Green, GT150, 20-22 gauge wire, 100-piece, Set

Part Number: HLY-571-109

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