98% pure copper core increases heat dissipation for more reliable starts and reduced overheating risk
Trivalent plating eliminates need for anti-seize, simplifying installation
Cold rolled threads prevent cross-threading and damage to cylinder heads
High-grade alumina silicate ceramic CPR6EA ensures durability and consistent performance
Nickel ground electrode and center electrode provide extended service life and improved ignitability
Summarized by Shop
NGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. 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