Brand: Prinx Model: HiRace HZ2 A/S Size: 255-45R18 255/45-18 255/45R18 255/45/18 255-45-18 255 45 18 2554518 Tread Depth: 9/32 Treadlife: 50,000 miles Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 103Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 255 Aspect Ratio: 45 Rim Diameter: 18 Production Year (DOT): N/A