Michelin PILOT SPORT A/S 3+ - 255/40ZR17 Features: 255/40ZR17 R17 Michelin BFG Pilot Sport A/S 3 Plus 94Y BSW Tire Type: Pilot Sport A/S 3 Plus Size Description (Sidewall Description): Black Sidewall Section Width: 255 Aspect Ratio: 40 Tire & Wheel Diameter: 17 Load Index: 94 Speed Rating: Y