The HTR Z5 is a maximum performance summer tire that combines wicked street tuner appeal with superior dry and wet handling at high speeds to deliver the thrills you want and the safety you need. Equipped with cutting-edge Sumitomo technology, the HTR Z5 helps you get the best out of your modern sports car or performance sedan and maximizes your daily driving experience, especially in wet-weather conditions. Whether you’re battling stop-and-go traffic or cruising along on the open road, the Z5 has the features you need for a luxurious driving experience. Sumitomo HTR Z5 Summer 285/30ZR18 97Y Tire Asymmetric, five-rib tread pattern with continuous center rib for straight-line stability Notches in intermediate and center ribs for traction in wet conditions Two-ply polyester casing with two steel belts and full-width nylon reinforcement ply info: Specifications Tire Size 285/30ZR18 Vehicle Type Car Tire Width 285 Wheel Diameter 18 Warranty Distance 0 miles Tire Season Summer Tire Speed Rating Y Tire Type Passenger Car Tires Tire Load Index 97 Tire Treadwear Rating 320 Brand Sumitomo Model HTR33 Manufacturer Part Number HTR33 Manufacturer Sumitomo