Brand: Arroyo Model: Grand Sport A/S Size: 305-30R20 305/30-20 305/30R20 305/30/20 305-30-20 305 30 20 3053020 Tread Depth: 10/32 Treadlife: 40,000 miles Season: All Season Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 103W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 305 Aspect Ratio: 30 Rim Diameter: 20 Production Year (DOT): N/A