Stihl Spark Plug, NGK

NGK nickel spark plugs feature a specially designed v-groove center electrode, improving ignitability and reducing quenching. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating.

• Cold-rolled threads prevent cross-threading and damage to cylinder heads
• Trivalent plating eliminates need for anti-seize
• High-grade alumina silicate ceramic
• 98% pure copper core, increased heat dissipation for reliable starts, prevents spark plug overheating
• 90 degree V-groove center electrode

• Specification Sheet