[Exceptional Fuel Efficiency]: Our sparkplugs feature a 0.6mm finewire iridium centerwire tip design, coupled with advanced laser welded technology. This unique combination maximizes fuel efficiency, enabling your engine to operate at peak performance while minimizing fuel consumption
[Premium Material]: The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, Ideal for today's high performance engines
[Package Included]: Set of 6 Iridium Platinum Spark Plugs. To give you peace of mind, We offer 12-month worry-free-warranty, If you encounter any issues with the spark plug you purchased from A-NAFTULY store,our dedicated customer support team is ready to assist you