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Holley EFI ECU Connector Kits

5.0 out of 5 stars 4 Customer Reviews

You already have the wire and Holley EFI ECU connector kits have the rest of what you need to rewire your EFI installation. Fully terminate your own custom main harness with Holly EFI ECU connector kits.

Features include:

* Pre-terminated J1A/J1B Tyco Superseal connectors
* 20 to 22 gauge pre-terminated wires
* 16 to 18 gauge pre-terminated wires
* Cavity plugs

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Holley EFI ECU Connector Kits 570-103

Weatherproof Connectors, Holley EFI, GM LSx Engine, Main Harness Connectors, Connectors, Pins, Seals, Cavity Plugs included, Kit

Part Number: HLY-570-103

5.0 out of 5 stars ( 1 )

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