Firestone Firehawk Indy 500 Performance Radial Tire - 215/40R18 89W CORNER WITH CONFIDENCE - The latest Firestone Fire hawk Indy 500 tire lets you corner with confidence featuring wide shoulders that increase the tires stiffness to provide dynamic cornering 20% SHORTER STOPPING DISTANCE ON WET ROADS - With an improved rubber compound and tread design, the new Indy 500 tire gives you a 20% shorter stopping distance on wet roads, as compared to the prior generation Fire hawk Wide Oval Indy 500 tire THE PULSE GROOVE CHANNEL HELPS REDUCE THE RISK OF HYDROPLANING - The proprietary Pulse Groove channel in the tread pattern takes water evacuation to the next level helping to improve wet handling* and reduce the risk of hydroplaning