Diameter of the thread 14mm Length of the thread 19mm Thread pitch 1,25mm Wrench size 21mm Electrode gap 0,8mm Firm SAE-Port Interference suppression 5kOhm Electrode made of nickel
NGK is the world's leading producer of spark plugs.
As an OEM for leading car and motorcycle producers, in winning vehicles of Formula 1, in motorcycle racing and, of course in everyday vehicles in daily traffic.
NGK is setting standards to meet the highest quality demands.
NGK spark plugs are not only reliable but progressive as well.
When installing the spark plugs, pay attention to the required torque! Torques depend on the material of the cylinder head and the diameter of the thread. Torques of the spark plugs with a flat head and seal with the diameter of the thread
18 mm : 35 - 40 Nm
14 mm : 25 - 30 Nm
12 mm : 15 - 20 Nm
10 mm : 10 - 12 Nm
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