Brand: Federal Model: Evoluzion ST-1 Size: 245-55R18 245/55-18 245/55R18 245/55/18 245-55-18 245 55 18 2455518 Tread Depth: 10/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 103W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 245 Aspect Ratio: 55 Rim Diameter: 18 Production Year (DOT): N/A