Brand: Firestone Model: Firehawk Indy 500 Size: 245-40R17 245/40-17 245/40R17 245/40/17 245-40-17 245 40 17 2454017 Tread Depth: 10/32 Treadlife: N/A Season: Summer Performance: High Performance Car Type: Passenger Load and Speed Rating: 91W Speed Rating Description: Speed Rated Up to 168 mph Section Width: 245 Aspect Ratio: 40 Rim Diameter: 17 Production Year (DOT): N/A