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    1. HOL-550-601 PART NUMBER
      550-601
      HOLLEY 550-601 HP EFI ECU & HARNESS KITS
      $2,749.95
      Holley
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      GM TPI and Holley Stealth Ram, Includes Bosch Oxygen Sensor Learn More
    2. HOL-550-602 PART NUMBER
      550-602
      HOLLEY 550-602 HP EFI ECU & HARNESS KITS
      $2,849.95
      Holley
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      GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Learn More
    3. HOL-550-603 PART NUMBER
      550-603
      HOLLEY 550-603 HP EFI ECU & HARNESS KITS
      $2,849.95
      Holley
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      GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor Learn More
    4. HOL-550-604 PART NUMBER
      550-604
      HOLLEY 550-604 HP EFI ECU & HARNESS KITS
      $2,749.95
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      Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor Learn More
    5. 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
    6. HOL-558-504 PART NUMBER
      HOLLEY 558-504 UNIVERSAL V8 MPFI EFI HARNESS KIT
      HOLLEY 558-504 UNIVERSAL V8 MPFI EFI HARNESS KIT
      $899.95
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      UNIVERSAL V8 MPFI EFI HARNESS KIT
      Universal V8 MPFI

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    7. HOL-550-606N PART NUMBER
      HOLLEY 550-606N HP EFI ECU & HARNESS KITS
      HOLLEY 550-606N HP EFI ECU & HARNESS KITS
      $2,999.95
      Holley
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      HP EFI ECU & HARNESS KITS
      Universal FORD V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor, and Ford V8 Injector Harness.

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    8. HOL-550-603N PART NUMBER
      HOLLEY 550-603N HP EFI ECU & HARNESS KITS
      HOLLEY 550-603N HP EFI ECU & HARNESS KITS
      $3,099.95
      Holley
      Add to Wish List

      HP EFI ECU & HARNESS KITS
      GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor

      Learn More
    9. HOL-550-602N PART NUMBER
      HOLLEY 550-602N HP EFI ECU & HARNESS KITS
      HOLLEY 550-602N HP EFI ECU & HARNESS KITS
      $3,099.95
      Holley
      Add to Wish List

      HP EFI ECU & HARNESS KITS
      GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness, Includes NTK Oxygen Sensor

      Learn More
    10. HOL-550-605N PART NUMBER
      HOLLEY 550-605N HP EFI ECU & HARNESS KITS
      HOLLEY 550-605N HP EFI ECU & HARNESS KITS
      $2,999.95
      Holley
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      HP EFI ECU & HARNESS KITS
      Unterminated Universal Harness, Includes NTK Oxygen Sensor

       

       

       

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    Products (1-10 of 154)

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