Holley ECUs Only

Choose from Holley's budget-friendly Terminator X ECUs or Holley's robust HP and Dominator ECUs.
Holley ECUs Only

Holley ECUs Only

Choose from Holley's budget-friendly Terminator X ECUs or Holley's robust HP and Dominator ECUs.

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  • Holley Dominator EFI ECU
    Sale

    Holley Dominator EFI ECU

    Holley Dominator EFI ECU
    554-114
    $2,499.95 $2,812.95
  • Holley HP EFI ECU
    Sale

    Holley HP EFI ECU

    Holley HP EFI ECU
    554-113
    $1,888.95 $2,362.95
  • Holley Terminator X Max ECU
    Sale

    Holley Terminator X Max ECU

    Holley Terminator X Max ECU
    554-153
    $1,299.95 $1,462.95
  • Holley Terminator X ECU
    Sale

    Holley Terminator X ECU

    Holley Terminator X ECU
    554-152
    $913.95 $1,028.95