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    Products (8 results)

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    1. HOL-558-304 PART NUMBER
      558-304
      HOLLEY 558-304 HEI GM SMALL CAP IGNITION HARNESS
      $63.95
      Holley
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      HEI Ignition Harness for Avenger EFI, HP EFI & Dominator EFI Learn More
    2. HOL-558-305 PART NUMBER
      558-305
      Holley 558-305 Ford TFI Ignition Harness
      $133.95
      Holley
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      FORD TFI IGNITION HARNESS Learn More
    3. HOL-558-306 PART NUMBER
      558-306
      HOLLEY 558-306 UNIVERSAL UNTERMINATED IGNITION HARNESS
      $194.95
      Holley
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      Universal Unterminated Ignition Harness for HP EFI & Dominator EFI Learn More
    4. HOL-558-307 PART NUMBER
      558-307
      HOLLEY 558-307 UNIVERSAL COIL ON/NEAR PLUG HARNESS
      $199.95
      Holley
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      For use with Holley HP and Dominator ECUs and other EFI systems Learn More
    5. HOL-554-130 PART NUMBER
      554-130 Holley EFI Gauge Module
      554-130 Holley EFI Gauge Module
      $155.95
      Holley
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      Developed specifically for Holley EFI analog-style CAN gauges Learn More
    6. HOL-550-905 PART NUMBER
      Holley Terminator X Early Truck LS LS3 - Late 58X/4X MPFI Kit 550-905
      Holley Terminator X Early Truck LS LS3 - Late 58X/4X MPFI Kit 550-905
      $1,599.95
      Holley
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      Fits GM LS 4.8 / 5.3 / 6.0 Truck Engines and LS2 / LS3, 58x Crank, 4x Cam, EV6 Injector Harness, 3.5" Touchscreen Included Learn More
    7. HOL-558-431 PART NUMBER
      Holley 558-431 Crank/Cam Ign. Harness. Fully terminated harness.
      Holley 558-431 Crank/Cam Ign. Harness. Fully terminated harness.
      $103.95
      Holley
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      Crank/Cam Ign. Harness for Ferrous Crank/Magnetic Cam Hall Effect Sensors. Fully terminated harness. Learn More
    8. HOL-550-905T PART NUMBER
      Holley Terminator X Early Truck LS LS3 - Late 58X/4X MPFI Kit 550-905T
      Holley Terminator X Early Truck LS LS3 - Late 58X/4X MPFI Kit 550-905T
      $1,449.95
      Holley
      Add to Wish List
      Fits GM LS 4.8 / 5.3 / 6.0 Truck Engines and LS2 / LS3, 58x Crank, 4x Cam, EV6 Injector Harness, USB/CAN Tuning Cable Included Learn More

    Products (8 results)

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    1. Harness Type
      Ignition
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    1. Engine Management System 2 items
    2. Fuel Injection System Wiring Harness 6 items
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    1. Harness 6 items
    2. ECU & Harness Kit 2 items
    Harness Type
    1. Auxillary 7 items
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    12. MPFI 1 item
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    1. Chevy LS 2 items
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