Brand: Arroyo Model: Tamarock R/T Size: 275-65R18 275/65-18 275/65R18 275/65/18 275-65-18 275 65 18 2756518 Tread Depth: 10/32 Treadlife: 55,000 miles Season: All Season Performance: Rugged Terrain Car Type: Truck/SUV Load and Speed Rating: 116T Speed Rating Description: Speed Rated Up to 118 mph Section Width: 275 Aspect Ratio: 65 Rim Diameter: 18 Production Year (DOT): N/A