Price history on Walmart.com for
4x NGK Laser Iridium Spark Plug Nickel Core Tip Standard 0.032in IZFR7M
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NGK Laser Iridium Spark Plugs are the Latest OE Spark Plug Design. They Feature a Laser Welded 0.8mm Iridium Center Electrode along with Laser Welded Platinum on the Ground Electrode Providing the Strongest Ignitability and the Longest Life Possible
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