Holley Dominator EFI GM Drive By Wire Harness | GBP Performance
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Holley

Holley | Dominator EFI GM Drive By Wire Harness

558-429
Holley | Dominator EFI GM Drive By Wire Harness 558-429 | Early GM Truck, Drive-By-Wire, compatible GM part 10379038, Dominator EFI ECU | Universal
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Holley – EFI Drive By Wire Harness (Early GM Truck)

Description

The Holley Dominator EFI GM Drive By Wire Harness 558-429 is specifically designed for early generation GM trucks equipped with electronic throttle control. It is compatible with GM part number 10379038 and integrates directly with the Holley Dominator EFI ECU. This harness eliminates the mechanical throttle cable in favor of precise electronic control, making it ideal for EFI conversion projects on classic GM trucks. Its robust construction with OEM-quality connectors ensures reliable integration in high-performance and restoration applications.

Specifications

  • Brand: Holley
  • Part Number: 558-429
  • Type: EFI Drive By Wire Harness
  • Application: Early Generation GM Truck
  • Compatible GM Part Number: 10379038
  • ECU Compatibility: Dominator EFI
  • Throttle Type: Electronic (Drive-By-Wire)
  • Connectors: OEM quality
  • Vehicle Compatibility: See Application Section
  • Condition: New
  • Sold and shipped by GBP Performance

 

Note:

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Compatibility (Application)

MakeModelYearsEngineNotes
GM (Universal)Early Generation TruckDrive-By-WireCompatible GM part 10379038; not vehicle-specific
Holley
558-429
90127719091

Data sheet

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