Auxiliary Harness






Holley Multi-Map Selector


Multi-Map Selector
  • Dominator EFI
  • 4 Position Switch, Harness & Plug
  • $90.30
    $81.27
    ON SALE - $9.03 OFF
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    Ignition Harness






    Holley Universal Coil On Plug Harness Use With Holley HP or Dominator ECUs


    Universal Coil On Plug Harness
  • Use With Holley HP or Dominator ECUs
  • Connects 510-558-312 or Factory GM LSx Coil Harnesses
  • $99.76
    $89.78
    ON SALE - $9.98 OFF
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    Injector Harness









    Holley Fuel Injection Wire Harness Kit CAN2 Connectors


    Fuel Injection Wire Harness Kit
  • CAN2 Connectors
  • Auxiliary Harness For Use With Racepak And Other External CAN Drives
  • $65.10
    $58.59
    ON SALE - $6.51 OFF
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    Main Harness









    Holley Universal MPFI Coil-on-Plug Main Harness


    Universal MPFI Coil-on-Plug Main Harness
  • Easily allows Coil-on-Plug Conversion
  • Dual CANbus Connectors for Multiple CAN Devices
  • Pre-Installed Power Tap
  • 20awq Gauge Wire
  • $359.95
    $323.96
    ON SALE - $35.99 OFF
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