Sumitomo HTR Z5 is an ultra-high-performance summer tire designed for sports cars, coupes, and performance sedans. The tire’s continuous center rib adds stability and improves steering response, while the substantial shoulders improve lateral grip. Four wide circumferential grooves help to evacuate water from the tread area for advanced hydroplaning resistance. HTR Z5’s increased shoulder and contact patch ensures even distribution of pressure to prevent irregular wear and improve handling performance. The internal construction consists of full-width nylon band that optimizes high-speed stability, and high-rigidity steel belts that offer greater durability and car stability. Hard apex strengthens sidewall for exceptional cornering stiffness. Exceptional handling wet and dry Highway Performance and Sports like handling Sport Performance Keep tabs on your tread life Find peace on the road info: Specifications Tire Size 285/35R18 Vehicle Type Car Tire Width 285 Wheel Diameter 18 Tire Season Summer Tire Speed Rating Y Tire Type Passenger Car Tires, Performance Tires Tire Load Index 101 Uniform Tire Quality Grade (UTQG) 320 AA A Tire Traction Rating AA Tire Treadwear Rating 320 Tread Depth 0 Millimeters Brand Sumitomo Assembled Product Weight 18.4 lb Model HTR Z5 Manufacturer Part Number HTR25 Manufacturer Sumitomo 
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