Holley Tax Return Season Sale Going On Now--Ends February 29th!
No coupon code required--all discounts are already applied.
10% off on many items, including Sniper and Terminator X EFI Systems,
many HyperSpark distributors, MSD Superconductor Spark Plug Wires,
as well as Holley EFI and Terminator X Fuel Injectors!
-10% Main Harness, Terminator

Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406.

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Main Harness, Terminator

  • Views: 17191
  • Brand: Holley EFI
  • Product Code: 558-414
  • Availability: In Stock
  • $434.00
  • $389.95