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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-558-406 PART NUMBER
      558-406
      HOLLEY 558-406 DOMINATOR EFI GM DRIVE-BY-WIRE HARNESS
      $259.95
      Holley
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      Dominator EFI GM Drive-By-Wire Harness Learn More
    8. HOL-558-411 PART NUMBER
      558-411
      HOLLEY 558-411 DOMINATOR EFI GM DUAL DRIVE-BY-WIRE HARNESS
      $399.95
      Holley
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      Dominator EFI GM Dual Drive-By-Wire Harness Learn More
    9. 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
    10. 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

    Products (1-10 of 238)

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      Fuel Injection System Wiring Harness
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    1. Accessory Drive Kit 21 items
    2. Air Cleaner 29 items
    3. Carburetor 100 items
    4. Carburetor Accelerator Pump Check Valve 1 item
    5. Carburetor Fuel Bowl Sight Plug 1 item
    6. Carburetor Gasket 6 items
    7. Carburetor Jet Kit 8 items
    8. Carburetor Needle and Seat 1 item
    9. Carburetor Power Valve 7 items
    10. Carburetor Rebuild Kit 9 items
    11. Carburetor Vacuum Secondary Cover 1 item
    12. Carburetor Vacuum Secondary Spring Kit 1 item
    13. Convoluted Tubing 8 items
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    15. Crank Trigger Kit 9 items
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    21. Fitting/Adapter 1 item
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    23. Fuel Filter Replacement Element 9 items
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    27. Fuel Injection System Wiring Harness 72 items
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    29. Fuel Injector Driver Module 5 items
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    35. Gauge 10 items
    36. Hardware 6 items
    37. Ignition Box 2 items
    38. Ignition Coil 5 items
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    40. Ignition Kit 15 items
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    42. Intake Manifold 206 items
    43. MAP Sensor 5 items
    44. Oil Pan 36 items
    45. Oxygen Sensor 3 items
    46. Spark Plug Wire Set 6 items
    47. Throttle Body 5 items
    48. Throttle Body Harness 1 item
    49. Throttle Cable Bracket 2 items
    50. Throttle Lever Stud 1 item
    51. Valve Cover 1 item
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    53. Weld-In Bung 1 item
    54. Wire Loom/Cable Sleeve 8 items
    55. N/A 1 item
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    ECU & Harnesses
    1. ECU 2 items
    2. Harness 63 items
    3. ECU & Harness Kit 153 items
    EFI System
    1. 4BBL Multi Point Systems 4 items
    2. Stealth Ram Systems 5 items
    3. Universal Retrofits 2 items
    Fuel Injection Series
    1. HP 2 items
    Harness Type
    1. Auxillary 7 items
    2. Communication 3 items
    3. Drive-By-Wire 42 items
    4. Ignition 8 items
    5. Injector 69 items
    6. Main 38 items
    7. Transmission Control 25 items
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    9. SRV 1 item
    10. VVT 1 item
    11. Sub 3 items
    12. MPFI 1 item
    13. Stealth 1 item
    14. Multi-Point 1 item
    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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    1. BB Ford 4 items
    2. Chevy LS 55 items
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    16. GM 39 items
    17. GM GEN V 15 items
    18. GM LS 1 item
    19. LS Chevy 6 items
    20. Universal 59 items
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