Upgrade your vehicle's performance with the NGK Ruthenium HX Spark Plug (Part Number: LKAR7AHX-S). Designed for compatibility with a range of modern vehicles, these spark plugs incorporate NGK's patented Ruthenium technology, ensuring superior ignitability and longevity. The advanced tip design enhances fuel combustion for improved throttle response and smoother idle, making it an ideal choice for those looking to enhance their driving experience. The NGK Ruthenium HX spark plugs are engineered to deliver optimal performance, featuring a specialized DFE and PSPE tip design that supports a more efficient fuel burn. This translates to better cold starts and overall engine efficiency. With their industry-leading durability, these spark plugs are built to withstand the demands of today's high-performance engines, making them a reliable choice for drivers who value quality and performance. Perfect for a variety of brands, including Acura, Honda, Infiniti, Lexus, Mazda, Nissan, Pontiac, Subaru, and Toyota, the NGK Ruthenium HX Spark Plug ensures that your engine runs smoothly and efficiently. Enhance your vehicle*s capabilities with these premium spark plugs today! <b>Features:</b> * Patented Ruthenium technology for high ignitability: Patented Ruthenium technology for high ignitability * Advanced tip design for improved fuel combustion: Advanced tip design for improved fuel combustion * Industry-leading durability for long-lasting performance: Industry-leading durability for long-lasting performance * Enhanced throttle response and smoother idle: Enhanced throttle response and smoother idle * Optimized for a variety of modern vehicles: Optimized for a variety of modern vehicles