Max Performance Summer tires are for serious driving enthusiasts who want a combination of a performance appearance, competent handling and Z-speed rated (or higher) durability with enhanced dry and wet traction. This tire is often used as original equipment on powerful sports cars, performance coupes and high performance sedans. The SP Sport Maxx 050are typically purchased as direct replacements for worn-out pairs/sets of the vehicle's original tires. They can also be used for other vehicle applications in complete sets of four or axle pairs if available in an appropriate size, load range and speed rating to match the existing O.E. tires' performance category and specifications.