Brand: Green Max Model: Optimum Sport HP Size: 255-50R19 255/50-19 255/50R19 255/50/19 255-50-19 255 50 19 2555019 Tread Depth: 9/32 Treadlife: 55,000 miles Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 107W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 255 Aspect Ratio: 50 Rim Diameter: 19 Production Year (DOT): N/A