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spark plug

  1. 4th Generation Spark Plug Results

    4Runner
    FWIW, I'm posting this for those inquiring minds who wonder what an iridium plug looks like after 8 years and 120,000 miles. The vehicle was running fine, but I figured I'd gotten my money out of the set I installed in 2011 at 60,000 miles (right at 180,000 this morning). Really pretty...
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