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Holley 558-407

Multi-Map Selector

Holley 558-407

510-558-407

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Holley 558-407 Multi-Map Selector $93.01
Multi-Map Selector
  • Dominator EFI
  • 4 Position Switch, Harness & Plug

  • Holley 558-407 Details

    Auxiliary Harness

  • Multiple Fuel Map Choices
  • Allows For Four Different Fuel Tunes

  • Specifications:

    Manufacturer's Part Number:
    558-407

    These Holley wiring harnesses are used with Holley's Avenger, HP and Dominator EFI Systems.

    Some parts are not legal for use in California or other states with similar laws / regulations