NGK 5899 Laser Iridium Spark Plug - IZFR5J, 4 Pack

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 Quantity: 4 per package