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Champion REC10WYPB4 / OE190/T10 IRIDIUM Spark Plug Replaces 27410-3C000Champion®Platinum spark plugs have a platinum centre electrode and a copper core nickel or nickel 125 ground electrode. A platinum pad or pin welded to the Copper core centre electrode gives high erosion resistance and increases engine output. Extended plug life Service life up to 38,000 miles / 60,000 kmIf you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above.