Brand: Firestone Model: Firehawk Indy 500 Size: 275-40R19 275/40-19 275/40R19 275/40/19 275-40-19 275 40 19 2754019 Tread Depth: 10/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Truck/SUV Load and Speed Rating: 101W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 275 Aspect Ratio: 40 Rim Diameter: 19 Production Year (DOT): N/A