Brand: National Model: Touring A/S Size: 225-40R18 225/40-18 225/40R18 225/40/18 225-40-18 225 40 18 2254018 Tread Depth: 10/32 Treadlife: N/A Season: All Season Performance: Touring Car Type: Passenger Load and Speed Rating: 92H Speed Rating Description: Speed Rated Up to 130 mph Section Width: 225 Aspect Ratio: 40 Rim Diameter: 18 Production Year (DOT): N/A