Tapered-cut ground electrode improves ignitability and reduces quenching
98% pure copper core increases heat dissipation for more reliable starts and prevents spark plug from overheating
High-grade alumina silicate ceramic insulator for superior strength and heat transfer
Iridium is six times more durable than platinum
Description
NGK Laser Iridium Spark Plugs offer the best combination of performance and longevity. Iridium tipped center electrode provides durability six times harder than platinum. NGK's high-grade pure alumina ceramic and 98% pure copper core prevents the spark plug from overheating while providing reliable starts.