NGK Spark Plug BKR7EKU
Triple gasket sealing process eliminates gas leakage past the shell. Made with 99% highly pure alumina silicate insulator and solid copper core. Corrugated ribs to prevent flash over. Cold rolled threads to prevent damage to cylinder head. Trivalent plating – silver chromate and zinc for corrosion resistance.
Wrench size: 16 mm
Thread diameter: 14 mm
Thread Length: 19 mm
Spark gap: 0.6 mm
Resistance: interference-free, 5 KOhm