Designed for outstanding acceleration, high fuel efficiency, and durability

Ensure a consistently stable spark

Extremely high melting point, perfect for today?ÇÖs high-tech, high-performance engines

Extremely resistant to heat, corrosion and electrical wear

Match OE fit and quality

0.6 mm laser welded iridium tip

Tapered ground electrode

Manufactured using triple-gasket sealing process to prevent leakage through the shell

Alumina silicate insulator for strength and optimal heat transfer

Cold-rolled threads for easier removal and installation

Corrugated ribs eliminate misfire causing ?Ç£flashover"

Trivalent metal plating

Last 40 to 50 thousand miles

Iridium IX?äó Spark Plug by NGK Spark Plugs?«. Electrode Tip Material: Iridium. Spark Plug Gap: Pre-gapped. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and appropriate replacement for OE spark plugs, where recommended. With a 0.6 mm laser welded iridium tip and taper cut ground electrode, these plugs provide more area for flame expansion for quicker starts, improved performance, and better efficiency.