Holley Unterminated Universal Main Harness | GBP Performance
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Holley

Holley | Unterminated Universal Main Harness

558-105
Holley | Unterminated Universal Main Harness 558-105 | Compatible HP EFI and Dominator EFI, includes ignition harness, fully customizable | Universal
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CAD $765.09 CAD $900.10 Save 15% - FLASH SALE
Delivery in 2 to 3 weeks

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Holley – Unterminated Universal Main Harness

Description

The Holley Unterminated Universal Main Harness 558-105 is designed for HP EFI and Dominator EFI systems. Its unterminated design offers maximum flexibility for custom installations, EFI conversions, and performance builds where predefined lengths don't fit. It includes an integrated ignition harness for complete EFI system coverage. Ideal for professional installations requiring custom wiring on any engine platform. Compatible with the full Holley HP EFI and Dominator EFI ecosystem.

Specifications

  • Brand: Holley
  • Part Number: 558-105
  • Type: Unterminated Universal Main Harness
  • Application: Universal
  • ECU Compatibility: HP EFI, Dominator EFI
  • Included Harness: Ignition harness
  • Termination: Unterminated (customizable)
  • Usage: EFI conversion, performance, competition, custom installs
  • Vehicle Compatibility: See Application Section
  • Condition: New
  • Sold and shipped by GBP Performance

 

Note:

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Compatibility (Application)

MakeModelYearsEngineNotes
UniversalAllUnterminated; includes ignition harness; compatible with HP EFI and Dominator EFI
Holley
558-105
90127666753

Data sheet

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