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Holley EFI 558-304 HEI GM Small Cap Ignition Adapter Harness

Manufacturer

Picture for manufacturer Holley EFI

Part Number

558-304
6 reviews
Sale Price

$63.19

2 left at this price

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Usually delivered within 2 days

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Product Details

The Holley EFI 558-304 HEI Ignition Adapter Harness provides a plug-and-play connection between GM HEI distributors with small caps and Holley EFI engine management systems. This adapter harness is designed to work seamlessly with Avenger EFI, HP EFI, and Dominator EFI systems, eliminating the need for custom wiring or splicing.

Key Features:

  • Compatible with GM HEI distributors featuring small cap design
  • Works with Holley Avenger EFI, HP EFI, and Dominator EFI systems
  • Includes main connector for EFI harness and distributor plugs
  • Features unterminated white wire for coil or CDI box connection
  • Sealed automotive-grade connectors for reliable performance
  • Eliminates cutting and splicing of factory harnesses

This adapter harness simplifies the installation process when using a GM HEI distributor with your Holley EFI system, providing a clean and professional connection that maintains system integrity and reliability.

Products specifications

Brand

Holley EFI

Category

Ignition

Emission Code

3

Harness Application

GM

Harness Type

Ignition

Part Type

Ignition Harness

Product Type

Ignition Harnesses

Sub Category

Ignition Wire and Related Components

Warning

California Proposition 65

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