About this item

• V-groove center electrode improves ignitability and reduces quenching
• 98% pure copper core increases heat dissipation for reliable starts and prevents spark plug from overheating
• High-grade alumina silicate ceramic insulator for superior strength and heat transfer
• Cold-rolled threads to prevent cross-threading and damage to cylinder heads; Trivalent plating eliminates need for anti-seize
• Quantity: 1 per package