Brand: Arroyo Model: Grand Sport A/S Size: 255-35R21 255/35-21 255/35R21 255/35/21 255-35-21 255 35 21 2553521 Tread Depth: 7/32 Treadlife: 40,000 miles Season: All Season Performance: High Performance Car Type: Passenger Load and Speed Rating: 98Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 255 Aspect Ratio: 35 Rim Diameter: 21 Production Year (DOT): N/A