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Holley EFI Pro-Billet Ignition Adapter 558-325

Ignition Harnesses


Adapter MSD Pro-Billet Distributors to Holley EFI Main Harnesses, for use with Terminator X EFI.

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(928) 706-6112


Designed to plug and play with MSD Pro-Billet distributors and Holley EFI main harnesses with an ignition connector, such as part number 558-104. Allows for plug and play ignition timing control when utilizing an MSD Pro-Billet distributor.


Shipping Information

  • Item Requires Shipping
  • W2.2500” x H2.2500” x L4.7500”

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