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Holley 556-111 - Holley Crank Trigger



Holley 556-111 - Holley Crank Trigger
Holley 556-111 - Holley Crank Trigger

JEGS Part Number: 510-556-111

EFI Crank Trigger Kit
  • Big Block Chevy (Mark IV & Gen 6)
  • 58-Tooth Wheel
  • 8-1/2'' Diameter Wheel
    • Fits Applications:
    • 1963
      CHEVROLET
      1965-1989
      CHEVROLET
      1968-1989
      GMC
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    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 crank trigger 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.

    Holley 556-111

    Manufacturer's Part Number:
    556-111
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