NGK Spark Plugs 6899 Spark Plug - CPR6EA9. The NGK Spark Plugs Spark Plug works with a patented triple gasket sealing process that eliminates the possibility of combustion gas leakage which greatly extends the life of your NGK Spark Plugs. With high alumina ceramics this NGK Spark Plugs Spark Plug combines unsurpassed heat transfer and electrical insulation. A longer insulator nose prevents fouling and misfiring ensuring your journeys are happy and safe. For a reliable and original spark plug that will last you'll come to depend on the NGK Spark Plugs 6899 Spark Plug - CPR6EA9. Features of NGK Spark Plugs 6899/3000.6641 6899 Spark Plug - CPR6EA9 Designed to operate over a much wider heat range than ordinary plugs Resists carbon buildup and pre-ignition High alumina ceramics for better heat transfer and electrical insulation Solid copper core and nickel tipped electrode provide a longer plus life Patented triple gasket sealing process eliminates the possibility of combustion gas leakage Package Contents: NGK Spark Plugs 6899/3000.6641 6899 Spark Plug - CPR6EA9 NGK Spark Plugs 6899/3000.6641: 6899 Spark Plug - CPR6EA9