The NGK Standard Spark Plug BR5HS, packaged in the iconic yellow box, is a reliable choice for automotive enthusiasts and professionals alike. Designed for various applications, including the Chevrolet Corvair and Volkswagen Beetle, these spark plugs ensure optimal performance and longevity. NGK's expertise in spark plug technology is evident in their use of high-grade alumina silicate ceramic, providing a robust insulator for outstanding dielectric performance. Featuring a solid 98% pure copper core, the NGK Standard spark plugs offer superior heat dissipation and conductivity. Additionally, the triple gasket sealing prevents combustion gas leakage, ensuring efficient engine operation. With trivalent metal plating, these plugs are also resistant to corrosion and seizing, making installation and removal a breeze. Choose NGK Standard Spark Plugs for dependable performance and a trusted solution for your engine's ignition needs. <b>Features:</b> * High-grade alumina silicate ceramic for optimal dielectric performance: High-grade alumina silicate ceramic for optimal dielectric performance * Triple gasket sealing to prevent combustion gas leakage: Triple gasket sealing to prevent combustion gas leakage * Solid 98% pure copper core for superior heat dissipation: Solid 98% pure copper core for superior heat dissipation * Trivalent metal plating for anti-corrosion and anti-seizing properties: Trivalent metal plating for anti-corrosion and anti-seizing properties * Reliable performance for a variety of automotive applications: Reliable performance for a variety of automotive applications