The NGK Laser Platinum spark plug uses laser-welded platinum surfaces to slow electrode wear and extend service life while improving ignitability over conventional nickel plugs. This construction supports stable idling, reduced fouling and potential fuel-efficiency benefits. High-grade alumina ceramic insulation and a 98% copper core aid heat control, and many Laser Platinum plugs include a platinum pad on the ground electrode for even wear.
NGK Laser Platinum Spark Plug Box of 4 (TR6AP-13E)