7022 14 mm Copper Spark Plugs

Features NGK spark plugs are designed to operate over a much wider heat range than ordinary plugs They resist carbon buildup and pre-ignition Each features high alumina ceramics for better heat transfer and electrical insulation A patented triple gasket sealing process eliminates the possibility of combustion gas leakage And a longer insulator nose prevents fouling and misfiring A solid copper core and its nickel tipped electrode provide a longer plus life Specifications Thread Size: 14 mm Material: Copper Dimension: 0.12" H x 0.89" W x 0.98" L Weight: 0.12 lbs