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    1. HOL-554-113 PART NUMBER
      554-113
      HOLLEY 554-113 HP EFI ECU
      $2,099.95
      Holley
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      HP EFI ECU, USB Cable, and Software Learn More
    2. HOL-550-604 PART NUMBER
      550-604
      HOLLEY 550-604 HP EFI ECU & HARNESS KITS
      $2,749.95
      Holley
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      Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor Learn More
    3. HOL-550-605 PART NUMBER
      550-605
      HOLLEY 550-605 HP EFI ECU & HARNESS KITS
      $2,749.95
      Holley
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      Unterminated Universal Harness, Includes Bosch Oxygen Sensor Learn More
    4. HOL-554-114 PART NUMBER
      554-114
      HOLLEY 554-114 DOMINATOR EFI ECU
      $2,499.95
      Holley
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      Integrated electronic transmission control, drive by wire throttle control, dual wideband oxygen sensor capability, extensive amount of inputs and outputs for various combinations. Learn More
    5. HOL-558-401 PART NUMBER
      558-401
      HOLLEY 558-401 DOMINATOR EFI AUXILIARY HARNESS
      $242.95
      Holley
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      Dominator EFI Connector J2A Auxiliary Harness Learn More
    6. HOL-558-402 PART NUMBER
      558-402
      HOLLEY 558-402 DOMINATOR EFI AUXILIARY HARNESS
      $186.95
      Holley
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      Dominator EFI Connector J2B Auxiliary Harness Learn More
    7. HOL-558-403 PART NUMBER
      558-403
      HOLLEY 558-403 DOMINATOR EFI AUXILIARY HARNESS
      $186.95
      Holley
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      Dominator EFI Connector J3 Auxiliary Harness Learn More
    8. HOL-558-404 PART NUMBER
      558-404
      HOLLEY 558-404 DOMINATOR EFI AUXILIARY HARNESS
      $238.95
      Holley
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      Dominator EFI Connector J4 Auxiliary Harness Learn More
    9. HOL-534-300 PART NUMBER
      534-300 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD
      534-300 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD
      $1,171.95
      Holley
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      HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD
      Secondary Service Throttle Body - 4 Injectors

      Learn More
    10. HOL-534-298 PART NUMBER
      534-298 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - POLISHED
      534-298 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - POLISHED
      $1,171.95
      Holley
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      HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - POLISHED
      Secondary Service Throttle Body - 4 Injectors

      Learn More

    Products (1-10 of 194)

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