Brand: Pirelli Model: P Zero (PZ4) Sport Size: 255-45R20 255/45-20 255/45R20 255/45/20 255-45-20 255 45 20 2554520 Tread Depth: N/A Treadlife: N/A Season: Summer Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 105Y Speed Rating Description: Speed Rated Up to 186 mph Section Width: 255 Aspect Ratio: 45 Rim Diameter: 20 Production Year (DOT): N/A