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Holley 556-111 - Holley Crank Trigger

Holley 556-111 - Holley Crank Trigger

Holley#510-556-111

Complete Crank Trigger System
  • Big Block Chevy
    • Fits Applications:
    • 1963
      CHEVROLET
      1965-1989
      CHEVROLET
      1968-1989
      GMC
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    Holley 556-111 - Holley Crank Trigger Details

    Crank Trigger Systems


  • Crank Trigger Kit

  • Holley 556-111 - Holley Crank Trigger

    Trigger an accurate EFI Signal!

    Holley Crank Trigger components are manufactured from high quality materials for strength & durability. These systems are designed to provide an engine speed signal specifically to Holley EFI systems only. The 58 tooth wheel will provide a very accurate crankshaft speed signal to the ECU. These systems come with the hardware, sensor, and wiring necessary for installation.

    NOTE: It will be necessary to move any engine accessories about 1/8" to accommodate the spacing the trigger wheel adds.

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