Experience the reliability and performance of the NGK B9EFS Nickel Spark Plug, a staple in automotive technology for decades. Designed specifically for OE applications, these spark plugs feature a nickel alloy construction that ensures optimal functionality and longevity. The iconic yellow box packaging is a testament to NGK's commitment to quality and innovation. Each spark plug is engineered with high-grade alumina silicate ceramic, providing exceptional dielectric performance and a stronger insulator that withstands the rigors of engine operation. The NGK B9EFS spark plugs are designed to prevent combustion gas leakage with their triple gasket sealing technology. With a solid 98% pure copper core, these plugs offer superior heat dissipation, conductivity, and a wide range of heat settings. Additionally, NGK*s trivalent metal plating enhances anti-corrosion and anti-seizing properties, making installation and removal easier than ever. Choose NGK for proven technology that guarantees reliable performance in your vehicle. <b>Features:</b> * Material: Nickel alloy for optimal performance and longevity: Material: Nickel alloy for optimal performance and longevity * Insulator: High-grade alumina silicate for superior dielectric performance: Insulator: High-grade alumina silicate for superior dielectric performance * Sealing: Triple gasket sealing to prevent combustion gas leakage: Sealing: Triple gasket sealing to prevent combustion gas leakage * Core: 98% pure copper core for excellent heat dissipation and conductivity: Core: 98% pure copper core for excellent heat dissipation and conductivity * Plating: Trivalent metal plating for enhanced anti-corrosion and anti-seizing: Plating: Trivalent metal plating for enhanced anti-corrosion and anti-seizing