NGK Laser Iridium spark plug set (box of 4) combines advanced tip technology with OE-quality standards to deliver reliable starts and long life. The iridium fine-wire center electrode offers superior wear resistance; high-grade alumina ceramic and a 98% copper core help manage heat. Raised platinum pads or fine-wire tips on the ground electrode ensure even wear in distributorless ignition systems and consistent spark performance.
NGK Laser Iridium Spark Plug Box of 4 (SILMAR7A9S)