
Find Autolite XP3924 Xtreme Performance Iridium Spark Plug, Pack of 1 Great Plugs!By Down_SouthI know these plugs are iridium "enhanced" and therefore not "true" iridium plugs ( "true" being 90% or more iridium alloy in the center electrode, like NGK or Denso plugs), but I managed to get a set of four Autolite XP plugs at my local parts house for $26 and if you go to Autolite's website you will find a mail in rebate offer for $2 off per plug! So for under $20 and just for kicks, I decided to give these plugs a shot in my 2002 Toyota Corolla. Wow! I was skeptical at first, but these plugs work incredibly well! My engine runs smooth and I get great fuel economy! I estimate these plugs should last for at least 60,000 - 75,000 miles before they need to be replaced, but we'll see when we get there. Overall, I would have to say these plugs offer great performance at a low price.See all 1 customer reviews... »
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