1999 F-250 4x4 5.4 motor

Discussion in 'Engine & Performance' started by hardbound, Sep 15, 2015.

  1. hardbound

    hardbound Junior Member

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    What is the best replacement spark plugs for this motor.
     
  2. Pity7700

    Pity7700 oh umm...uhh?

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    go with factory motorcraft plugs.
     
  3. iowaredneck

    iowaredneck Administrator Staff Member

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    Motorcraft
     
  4. hardbound

    hardbound Junior Member

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    Thanks for the replys.
     

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