NGK BR 9 EG Spark Plug

NGK is the world's leading manufacturer of spark plugs. NGK spark plugs guarantee the highest quality and are used by many Japanese and European motorcycle manufacturers. State-of-the-art production facilities, significant investments in research and development, and a strong commitment to motorsports—from Formula 1 to motorcycle racing—are what make NGK spark plugs so successful.  Details: B = Thread diameter: 14.0 mm, wrench size: 20.8 mm R = with anti-interference resistor (5 kOhm) 8-10 = heat range 8 = cold, winter weather (up to approx. 15 degrees) 9 = normal temperatures, rain (up to approx. 20 degrees) 10 = summer weather, hot (from approx. 20 degrees) E = Thread length: 19.0 mm  G = with nickel electrode CAUTION:Spark plugs should be installed using a suitable torque wrench to ensure proper installation.To prevent damage to the spark plug or engine caused by improper installation, tighten them to the following values:Aluminum cylinder head = 25–30 NmCast iron cylinder head = 25–35 Nm