Champion RE10PMC5 / CCH3032 Platinum Spark Plug Replaces 4609096 Champion&174; Platinum spark plugs have a platinum centre electrode & 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 & increases engine output. Extended plug life Service life up to 38, 000 miles / 60, 000 km If 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.