Spark Plug to my Megane RS250

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by Guilledippolito, Jul 13, 2014.

  1. Hello guys, somebody know wich spark plug is more Cool or competition for my engine? Thanks!
     
  2. Oem
     
  3. Denso IK24 :wink: are same as OEM but more cheaper :wink:
    I know a lot of cars in France and now few in Poland which are made over 300PS and riding with Denso :wink:
     
  4. Thanks guys!!
     
  5. Hi all,

    The stock plugs IFR7x8g is the laser iridium type right?
    How about upgrading to iridium ix NGK, BKR7EIX?
     
  6. I've heard from a professional race engineer that NGK are best in class
     

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