Brand: Royal Black Model: Racing Trac Size: 255-30R20 255/30-20 255/30R20 255/30/20 255-30-20 255 30 20 2553020 Tread Depth: 7/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Passenger Load and Speed Rating: 92W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 255 Aspect Ratio: 30 Rim Diameter: 20 Production Year (DOT): N/A