HCR Holley EFI Dominator Unterminated Main Engine Harness – Pro Level Wiring Kit

$2,000.00$2,200.00 Each - Free Shipping



Everything you need to build a professional unterminated main engine harness for your Holley Dominator EFI system.  Available with or without tools. See product video below for a detailed overview of this kit.

Kit Includes:

  • 1 Diagram/Instructional Book/Bulkhead Connector Pin Map
  • 8 Injector Connectors w/ Boots & Terminals
  • 1 DTM 12-way Kit
  • 3 Pressure Transducer Connectors w/ Boots
  • 3 3-Pin DTM Connector Kits
  • 1 Coolant Temp Connector Kit
  • 1 Air Temp Connector Kit
  • 2 6-way DTM Kits
  • o2 Sensor Connector Kit
  • 8 IGN1A Connector Kits
  • 1 J1A, J1B Connector Kit
  • 2 DTP 2-way Connector Kits
  • 1 55-way Milspec Connector Kit (includes back shells & heat shrink boots)
  • 160 Misc. Uninsulated Terminals
  • 37 Heat Shrink Labels
  • 1 MSD 4-Channel SSR -OR- Leash dual 70amp relay (based on availability)
  • 685ft of Tefzel Wire (separated for specific gauges)
  • 30ft of Shielded 3 Conductor Tefzel Cable
  • 15ft of o2 Sensor Cable
  • 90ft of Misc. DR25 Heat Shrink
  • 20ft of Misc. Clear RT375 Raychem Heat Shrink
  • 28ft of Misc. Raychem ATUM Heat Shrink
  • 32ft of Misc. Raychem SCL Heat Shrink
  • Flush Cutters
  • Wire Strippers for Tefzel Wire
  • Measuring Tape

Our Pro-Level Wiring Kit is built to order – please allow 14-21 days for processing, build time and shipment.

***Additional Tooling Kit is also available for Purchase***

Additional information

Tool Option

Standard Pro Kit/No Tools, Pro Kit with Tooling +$200.00

Product Video


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