Spark Plugs Standard - (LMAR9D-J) - 4N

NGK spark plug LMAR9D-J

• wrench size: 14,0mm
• thread diameter: 10,0mm
• thread length: 26,5mm
• gap electrode: 0.8mm
• resistance: interference-free, 5KOhm

 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