Holley Electrical Wiring

Weatherproof Connectors, Holley EFI, Replacement, Hall Effect Sensor Connector, Metripack, 3-pin Female, Black, Pins, Seals, TPA, for 554-118, Each

Part Number: HLY-570-223

5.0 out of 5 stars ( 1 )

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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Estimated Ship Date: Today

• Free Shipping

Weatherproof Connectors, Holley EFI, Ignition, Sub-harness Connector, Metripack, 10-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-204

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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

• Free Shipping

Weatherproof Connectors, Holley EFI, Odd/Even Coil Connector, Sub-Harness Side, Metripack, 8-pin Male, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-208

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Relays, Dual Fuel Pump, 40 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Chrysler, Dodge, Ford, Kit

Part Number: HLY-12-759

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Estimated Ship Date: Today

• Free Shipping

Weatherproof Connectors, Holley EFI, Input/Output Connector, Main Harness Side, Metripack, 8-pin Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-209

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Estimated Ship Date: Today

Wiring Harness, Holley EFI, Gen III Hemi, VVT, Sub-Harness Only, Plug-and -Play, for Terminator X, Terminator X Max EFI, Dodge, 5.7L, 6.4L, Each

Part Number: HLY-558-131

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Estimated Ship Date: Today

• Free Shipping

Weatherproof Connectors, Holley EFI, Wideband Connector, Main Harness Side, Metripack, 8-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-200

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, GM Manifold Air-temp Connector, Main Harness, GT150, 2-pin Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-216

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Universal Ignition Connector, Main Harness, Metripack, 10-pin Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-203

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, Metri-Pack, 20-22 gauge wire, 100-piece, Set

Part Number: HLY-571-104

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Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Male, Molex MX150, 16-20 gauge wire, 100-piece, Set

Part Number: HLY-571-112

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Power Tap Connector, Main Harness Side, Metripack, 4-pin Female, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-210

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Transmission Harnesses, Holley EFI, Control Harness, Chrysler Transmission, 46RE, Plug-and-Play, for Terminator X Max System Only, Each

Part Number: HLY-558-473

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Estimated Ship Date: Today

• Free Shipping

Weatherproof Connectors, Holley EFI, LS MAP/CPS Connector, Main Harness, Metripack, 3-pin Female, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-217

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Estimated Ship Date: Today

Switches, Windshield Wiper, Rotary Style, 6 amp, 1 3/8 in. Diameter, Steel Case, Plastic, Black Knob, Two Speed, Push-to-Wash, fit Bezel 553-342, Each

Part Number: HLY-553-343

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, LS2 Knock Sensor Connector, Main Harness, GT150, 2-pin Female, White Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-220

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Estimated Ship Date: Today

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, Injector Connector, Main Harness Side, Metripack, 10-pin Male, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-201

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Estimated Ship Date: Today

Wiring Connector Replacement Parts, Holley EFI, Replacement, Terminal Pins, Female, GT150, 16-18 gauge wire, 100-piece, Set

Part Number: HLY-571-107

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Drop Ship
• Special Order

Weatherproof Connectors, Holley EFI, Knock Sensor Connector, MPFI Universal Harness, Metripack, 3-pin Male, Black Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-205

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Estimated Ship Date: Today

Weatherproof Connectors, Holley EFI, Wideband Connectors, Main Harness Side, Metripack, 8-pin, Male, Black, Seals, TPA, 10-piece, Set

Part Number: HLY-570-300

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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