The Spark Plug Serious Enthusiasts Rely On.
Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.
Fine Iridium tip ensures high durability and a consistently stable spark. Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines.
"Trivalent Metal Plating" has superior anti-corrosion and anti-seizing properties.
Outstanding acceleration, high fuel efficiency and durability.
Ultimate design, technology and performance.
Resistor: Yes Manufacturer Heat Range: 5 Electrode Core Material: Copper Electrode Tip Material: Iridium Insulator Type: Projected Spark Plug Thread Size: 14mm Spark Plug Reach: 25mm Spark Plug Seat Style: Tapered Wrench Diameter: 5/8 in. NGK Part Number: LZTR5AIX-13 Quantity: 16 Spark Plugs