PS91 is best suited for extreme sports, supercars and high end performance cars. It is best suited for Porsche 911, Audi R8, Mercedes AMG, BMW, Holden Special Vehicle, Ford Performance Vehicle and so on. The Ecsta PS91 incorporates Kumho’s motorsport experience. It has a marked improvement in high-speed driving safety and cornering. Key Features and Benefits: It delivers “enhanced grip, braking ability, high-speed durability and uniform ride qualities.” The new range is available in eight sizes for 19 and 20-inch rim diameters with a speed rating over 300km/h. It features different Front/Rear Pattern Design. It has immediate handling response by wide shoulder and rib-type centre block design. It maximizes tyre grip and blocks stiffness of rear tyres with optimized groove pattern design and improved NG%. It has Y Speed Rating that makes stable durability and running performance at over 300km/h. There is three dimensional block (C-Cut 3D) and the high-stiffness advanced belt package for PS91 for securing high speed stability.