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Universal Ignition Connector, Main Harness


PART# 570-203

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$7.21   Suggested Retail
$6.49   Your Price
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Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have everything you need to build or service your Holley EFI powered machine! Black Nylon braided wire loom from 1/8" to 2" and every connector (pins/seals/TPA included) we utilize on our main harnesses are now available!


  • Genuine OEM Connectors
  • Single pack connector kit includes: Connector, Pins, Seals, and TPA


BrandHolley EFI
Emission Code5
Product TypeHarness Connector
Part Number570-203



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

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Wiring Shop Quick Reference Guide
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