NGK B7ES-11 2311 Standard Spark Plug 4 Pack

NGK standard spark plug is manufactured to enhance the performance of the vehicle, the plug that is at the heart of smooth-running engines around the world. The spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. Made with a solid copper core that provides superior heat dissipation and conductivity. It has corrugated ribs that prevent flash over, cold rolled threads to inhibit cylinder head damage, and a triple gasket sealing process that eliminates fuel leakage. Center electrode made from nickel for greater durability and lower voltage requirements.