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NGK Iridium IX CR9EIX Spark Plug

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    Product Information

    NGK Iridium IX CR9EIX Spark Plug

    * The ultimate in the evolution of spark plug technology and performance from NGK, the industry leader
    * The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
    * Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life
    * New metal shell plating has enhanced anticorrosion qualities
    * 10mm thread
    * 3/4" reach
    • Product ID: 25424
    • Manufacturer: NGK
    • Manufacturer Part#: 3521
    • Sold As: EA
    • Type: Universal/Multi-Fit/Not Bike Specific Item
    • Condition: New, unless otherwise noted.
    • is an authorized NGK dealer

    Customer Reviews About This Item

    See all 5
      Iridium Baby!
      Dustin H. on 12/02/2009
      Pros: Better performance
      Cons: Price
      Jason B. on 02/20/2009
      Pros: Great spark plugs to replace the stock. Not much difference, but not un-noticable either! Worth the money invested. Did mine at 8000 miles on the bike, and will do it again in another 8k! Same plugs!!!
      Cons: none yet!
      Better than stock
      by Aaron D. on 12/27/13
      Pros: Although not all that noticeable at first, it does start easier & the idle has smoothed out somewhat while still leaving that deep, "lumpy" signature TL sound.
      Cons: None

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