Brand: Michelin Manufacturer's Part Number: 60228 Part Type: Tires Product Line: Michelin Pilot Sport 4 Tires Summit Racing Part Number: MHL-60228 UPC: 086699602282 Wheel Diameter: 18 in. Tire Size: 275/45-18 Tire Weather Usage: Summer Tire Construction: Radial Sidewall Style: Blackwall UTQG Tread Wear Rating: 320 Tire Diameter: 27.80 in. Section Width: 10.80 in. Minimum Recommended Wheel Width: 8.50 in. Maximum Recommended Wheel Width: 10.50 in. Directional: No Severe Snow Rated (3PMSF): No Speed Rating: (Y) Load Range: XL Load Index: 107 Asymmetrical Tread Pattern: Yes Traction Rating: AA Temperature Rating: A Tread Depth: 9.5/32 in. DOT-Approved: Yes Run-Flat Technology: No Studdable Winter Tire: No Tube Required: No Max Load Single (lbs.): 2，149 lbs. Quantity: Sold individually. Michelin Pilot Sport 4 Tires Michelin Pilot Sport 4 tires can create an exhilarating driving experience.Benefits of these tires include:* Control and reactivity--Dynamic Response Technology ensures optimum transmission of steering instructions to the road.* Exceptional wet and dry grip--Formula-E tread pattern combined with a new generation of functional elastomers and silica provide excellent grip and braking.* Improved efficiency--puts more power to the pavement with 13 percent less rolling resistance than the Pilot Sport 3.* Premium Touch Design--exterior sidewall with PTD and a deep rim protector.