NGK NGK 5329 12 mm Spark Plugs

FeaturesNGK spark plugs are designed to operate over a much wider heat range than ordinary plugs They resist carbon buildup and pre-ignitionEach 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 lifeSpecificationsThread Size: 12 mmMaterial: NickelDimension: 0.12inH x 0.79inW x 0.88inLWeight: 0.12 lbs