Holley HEI Ignition Harness | GBP Performance
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Holley

Holley | HEI Ignition Harness

558-304
Holley 558-304 – HEI Ignition Adapter Harness | Small Cap | GM Application | GBP Performance
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CAD $127.45 CAD $149.94 Save 15% - FLASH SALE
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Holley – Ignition Harness

Description

The Holley HEI Ignition Harness (p/n 558-304) is an adapter harness designed for GM small cap applications. It provides a reliable connection between the HEI ignition system and the Holley EFI ECU, simplifying integration for engine builders looking to modernize their ignition management on GM platforms.

Specifications

  • Brand/Manufacturer: Holley
  • Part Number: 558-304
  • Type: Ignition Harness
  • Style: Small Cap
  • Harness Application: GM
  • Function: HEI Adapter Harness
  • Compatibility: Holley EFI Systems (See Application Section)
  • Usage: HEI Ignition to Holley ECU Connection
  • Condition: New
  • Sold and shipped by GBP Performance

 

Note:

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Compatibility (Application)

MakeModelYearsEngineNotes
N/AN/AN/AN/ANot Application Specific – GM Application, Small Cap HEI
Holley
558-304
90127666777

Data sheet

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