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Universal MPFI Main Harness for HP EFI and Dominator EFI
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-558-104

Universal MPFI Main Harness for HP EFI and Dominator EFI

$57195
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Main Harness
Universal MPFI Main Harness
  • Holley HP EFI and Dominator EFI Systems
  • Fully Terminated Main Harness
  • For Single-Plane and MPFI Intake Manifolds
  • 10-Pin Ignition and Injector Connectors
  • Multi-Port Fuel Injection

    This universal multi-port main harness is the central wiring for Holley HP and Dominator EFI systems, arriving fully terminated with 10-pin ignition and injector connectors for single-plane and MPFI intake manifolds.

    Holley 558-104 Highlights:

    • Works with Holley HP and Dominator EFI systems.
    • Fully terminated universal MPFI main harness.
    • For single-plane and Holley MPFI intake manifolds.
    • Supplies 10-pin ignition and injector connectors.
    • Multi-port fuel injection wiring.
    • Take your EFI System to the next level with the Dominator ECU

      Holley Dominator EFI Vehicle Management Systems are engine management systems that can regulate any engine combination, from street to high-end unlimited racing. This system will control almost any input, output, or power adder you can think of, as well as function as a standalone data acquisition/control module. So, stop driving with multiple controllers and upgrade to Dominator ECU, providing your ride with complete engine management in a single unit.

    Part TypeFuel Injection Wiring Harness
    Product LineHolley Dominator EFI Vehicle Management Systems
    BrandHOLLEY
    Package Height4.3
    Package Width14.4
    Package Length15.1
    Weight4.95 PG
    Part CategoryPerformance Parts
    QuantitySold as a kit
    Injection StyleMulti-port
    Part FitmentSemi Universal
    Vendor Part Number558-104
    Package Qty1
    Package TypeEA

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