Brand: Royal Black Model: Racing Trac Size: 255-45R19 255/45-19 255/45R19 255/45/19 255-45-19 255 45 19 2554519 Tread Depth: 7/32 Treadlife: N/A Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 104W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 255 Aspect Ratio: 45 Rim Diameter: 19 Production Year (DOT): N/A