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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
      Holley
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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-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
    7. 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
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      HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD
      Secondary Service Throttle Body - 4 Injectors

      Learn More
    8. 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
    9. HOL-534-307 PART NUMBER
      534-307 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - POLISHED
      534-307 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - POLISHED
      $1,171.95
      Holley
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      HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - POLISHED
      4150 Flange Throttle Body - Compatible w/ MPFI Intake Manifolds

      Learn More
    10. HOL-534-308 PART NUMBER
      534-308 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - BLACK
      534-308 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - BLACK
      $1,171.95
      Holley
      Add to Wish List

      HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - BLACK
      4150 Flange Throttle Body - Compatible w/ MPFI Intake Manifolds

      Learn More

    Products (1-10 of 195)

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    1. Accessory Drive Kit 21 items
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    3. Carburetor 100 items
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    44. Oil Pan 36 items
    45. Oxygen Sensor 3 items
    46. Spark Plug Wire Set 6 items
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    1. ECU 2 items
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    3. ECU & Harness Kit 145 items
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    1. 4BBL Multi Point Systems 4 items
    2. Stealth Ram Systems 5 items
    3. Universal Retrofits 2 items
    Filter Diameter
    1. 10.00 Inch 2 items
    2. 14.00 Inch 19 items
    3. 16.00 Inch 8 items
    Filter Height
    1. 3.00 Inch 20 items
    2. 4.00 Inch 6 items
    3. 6.00 Inch 2 items
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    2. Stamped Steel 17 items
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    1. Drive-By-Wire 40 items
    2. Ignition 2 items
    3. Injector 50 items
    4. Main 16 items
    5. Transmission Control 23 items
    6. Direct Injection 2 items
    Rated Injector Flow
    1. 120 lb/hr 1 item
    2. 220 lb/hr 1 item
    3. 76 lb/hr 1 item
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