Holley Electrical Wiring

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

Part Number: HLY-570-204

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

Wiring Harnesses, RetroBright Adapter, H4, Non-Standard Plug, Pin-Out Swap, Plug-and Play, Ceramic, Premium Version,Pair

Part Number: HLY-H820

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: HLY-H821

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Wire Connectors, RetroBright, Replacement, Unterminated Connector, Female, 3-pin, Plastic, Black, for H4 or 9003 System, Pins Not Included, Each

Part Number: HLY-RBEC121

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

• Drop Ship
• Special Order

Wire Connectors, RetroBright, Replacement, Unterminated Connector, Male, 3-pin, Plastic, Black, for H4 or 9003 System, Pins Not Included, Each

Part Number: HLY-RBEC120

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

• Drop Ship
• Special Order