Ultra-High Performance All-Season | Passenger Nankang’s next generation of Ultra-High Performance tires has arrived. The NS-25 is perfectly balanced for today’s higher performing vehicles that are H, V, W, and Y-rated, as demanded by original equipment manufacturers. Available in the most popular fitment sizes ranging from 16 to 24 inches, the NS-25 is the latest in design and technology for high-performance tires. Featuring an all-new silica compound and intricate siping for performance-minded drivers, the NS-25 delivers reliable, high-speed stability, and responsive handling that makes an instant impression.