Laser Platinum. Laser Platinum is designed alongside OEMs to meet quality and long service life standards for each manufacturer. With premium-grade alumina silicate ceramic and fine wire center electrodes, the Laser Series brings OE performance to every engine. Trivalent metal plating provides stronger anti-corrosion and anti-seizing properties Corrugated ribs prevent flashover Pure alumina silicate ceramic insulator, provides stronger strength and better heat transfer Copper core aids in heat removal Triple seals prevent leakage *By request/order.