Holley Electrical Wiring

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

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Wiring Harnesses, Holley EFI, Gen V, LT Engine, Main Harness, for Terminator X, Terminator X Max, ECU Only, Chevy, 5.3L, 6.2L, Each

Part Number: HLY-558-129

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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

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Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Cam/Crank Position Sensor Connector, Sealed, 2-pin, Female, Black Plastic, Seals, TPA, Each

Part Number: HLY-570-241

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Estimated Ship Date: Today

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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Estimated Ship Date: Today

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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Estimated Ship Date: Today

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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Estimated Ship Date: Today

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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Weatherproof Connectors, Holley EFI, Hemi, MAP Sensor Connector, Sealed, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-240

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Coyote, CTS Sensor Connector, Main Harness, MX 150, 2-pin Female, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-226

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Modular/Coyote, Knock Sensor Connector, Main Harness, MX 150, 6-pin Male, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-225

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Manifold Air Temp Connector, SSC, 2-pin, Female, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-237

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Ford Modular/Coyote, Idle Air Control Connector, SSC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-238

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Hemi, Air Temperature Sensor Connector, Main Harness, Molex 2-pin, Female, Black Plastic, Pins, Seals, TPA, Each

Part Number: HLY-570-227

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Hemi CTS Connector, Main Harness, 1.5mm YESC, 2-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-233

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Estimated Ship Date: Jan 29, 2026 if ordered today

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

Part Number: HLY-570-228

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Estimated Ship Date: Jan 30, 2026 if ordered today

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Weatherproof Connectors, Holley EFI, Hemi CTS Connector, Main Harness, APEX 2.8, 3-pin, Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-235

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Estimated Ship Date: Feb 2, 2026 if ordered today

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