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spark plugs

  1. Spark Plugs

    Titan Performance Modifications
    I've seen a lot of hype and fluff about the E3 Diamond Fire Plugs. Are they really that good? Any thoughts about the Bosch +2 or +4? What are you running? What do you like and why?
  2. NGK Laser Platinum Spark Plugs! $60

    I have two boxes (8 spark plugs) og NGK Laser Platinum Premium spark plugs! Part number is PLFR5A-11 6240 I bought these for $90 from auto zone thinking I would change them myself. I jsut sold my truck and never installed them. They are already guaged perfectly for the titan! Just trying to...
  3. Spark plugs... is there really a difference?

    Titan Parts & Accessories
    With all the available spark plugs on the market today; Splitfire, E3, Iridium, Platinum, Plutonium, whatever.... Does it really make a difference in the performance of the vehicle?:ftard: