NGK 7901 Laser Iridium Spark Plug - IJR7A9, 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 packageYou may also like NGK Laser Iridium Spark Plug (4 Pack) for Subaru Vehicles.