Brand: Royal Black Model: Racing Trac Size: 255-35R18 255/35-18 255/35R18 255/35/18 255-35-18 255 35 18 2553518 Tread Depth: 7/32 Treadlife: N/A Season: All Season Performance: High Performance Car Type: Passenger Load and Speed Rating: 94W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 255 Aspect Ratio: 35 Rim Diameter: 18 Production Year (DOT): N/A