Experience enhanced engine performance with the NGK Spark Plugs CPR6EB-9 5958. Designed for superior efficiency, this spark plug features a trivalent metal plating that provides exceptional anti-corrosion and anti-seizing properties, ensuring longevity and reliability. The pure alumina silicate ceramic insulator offers superior strength and improved heat transfer, making it ideal for high-performance engines. Engineered with triple seals to prevent leakage and corrugated ribs to prevent flashover, the NGK CPR6EB-9 spark plug is built to withstand the toughest conditions. Additionally, the copper core aids in optimal heat removal, ensuring your engine runs smoothly and efficiently. Upgrade your vehicle's ignition system with this top-tier spark plug and enjoy a noticeable improvement in performance and fuel efficiency. <b>Features:</b> * Trivalent metal plating: Provides superior anti-corrosion and anti-seizing properties * Pure alumina silicate ceramic insulator: Offers superior strength and better heat transfer * Triple seals: Prevents leakage for reliable performance * Corrugated ribs: Prevent flashover to enhance ignition efficiency * Copper core: Aids in effective heat removal for optimal engine performance