Denso (3442) FXE22HR-11 Iridium Long Life Spark Plug, Pack of 1

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Spark Plugs » Denso (3442) FXE22HR-11 Iridium Long Life Spark Plug, Pack of 1
Denso (3442) FXE22HR-11 Iridium of 1
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Marketplace (3 New)
  1. Automotive
  2. Publisher: DENSO
  3. Sales Rank in Automotive: #74330

Product Review

Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. Because of the strength and hardness of iridium, there is virtually no electrode wear. This combined with a platinum tipped ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions. Dual needle design offers better fuel economy, idle stability, lower emissions and improved performance.

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Average Customer Review
5.0 out of 5 stars (1 customer review)

1 of 1 people found the following review helpful
5.0 out of 5 stars More readily available power, July 25, 2011
M. Garza (Central Coast, CA, USA) - See all my reviews
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This review is from: Denso (3442) FXE22HR-11 Iridium Long Life Spark Plug, Pack of 1 (Automotive)
It feels like my low end power increased with 6 of these in my Accord Coupe. I don't know if it is because each one requires 5,000 volts less per plug, but starting out feels more smooth. I can't notice much of a difference past the first 20 mph, but I imagine these will last much longer, as the melting point is 700 degrees C higher than platinum.

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