The spark plugs produced by NGK 8 are mainly used in Japanese cars. The model number of the NGK spark plug is printed on the ceramic insulator of the spark plug skirt and consists of a series of letters and numbers. When choosing a spark plug, a spark plug of the same model must be used. The spark plug type or calorific value used does not match the engine, which may result in unstable engine speed or weak driving. When the engine is running at high speed, the number of power bursts per unit time is relatively much more than that at low and medium speeds.
NGK spark plugs are built to withstand the severe mechanical and thermal shock associated with high-revving, high-compression engines. Plugs feature special electrode materials—precious metals like platinum, iridium, and ruthenium—for greater durability and low voltage requirements. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. And, the unique arrangement of insulator noses improves throttle response! The function of the spark plug is to introduce the high-voltage electricity (above 10,000 volts) generated by the ignition coil into the engine cylinder, and generate a spark between the spark plug electrodes to ignite the mixture. The working environment of the spark plug is extremely harsh. Take the spark plug of an ordinary four-stroke gasoline engine as an example. During the intake stroke, the temperature is only 60°C and the pressure is 90KPa; and during ignition and combustion, the temperature will instantly rise to 3000°C and the pressure will reach 4000KPa; The alternating frequency of this kind of rapid cold and rapid heat is very high, which cannot be handled by ordinary materials, and insulation performance must be ensured. Therefore, the material requirements for spark plugs are also very strict.
NGK 8 spark plug Product Information:
|Product designations:||NGK 8|
|Hex Size (in):||5/8 Inch|
|Center Electrode Material:||Nickel|
|Preset Gap (in):||0.032 Inch|
|Preset Gap (mm):||0.80mm|
Automobile spark plug model sheet：
|Volkswagen Touareg||Nissan Fuga||Porsche Cayenne||Audi Q7/8.6|