







🚗 Grip greatness all year long—because your drive deserves the best.
The MICHELIN Pilot Sport All Season 4 275/35ZR18/XL 99Y tire combines cutting-edge technologies like Helio+ and Dynamic Response to deliver exceptional tread life, superior traction in all weather conditions, and enhanced braking performance. Designed as a vehicle-specific fit with a 1709-pound load capacity, it’s the first all-season tire chosen by Chevrolet for the Corvette, making it the ultimate choice for drivers who demand lasting performance and safety every season.
| Brand | MICHELIN | 
| Size | 275/35ZR18/XL 99Y | 
| Section Width | 275 Millimeters | 
| Load Capacity | 1709 Pounds | 
| Tread Depth | 10 32nds | 
| Tread Type | Asymmetrical | 
| Maximum Pressure | 50 Pound per Square Inch | 
| Rim Width | 11 Inches | 
| Tire Diameter | 25.5 | 
| Item Diameter | 18 Inches | 
| Item Weight | 28.1 Pounds | 
| Automotive Fit Type | Vehicle Specific Fit | 
| UPC | 086699630032 | 
| Vehicle Tire ISO Metric Size Description | 275/35R457 | 
| Construction Type | Radial | 
| OEM Part Number | 63003 | 
| Manufacturer | Michelin | 
| Model | Michelin Pilot Sport All Season 4 | 
| Item Weight | 28.1 pounds | 
| Item model number | 63003 | 
| Is Discontinued By Manufacturer | No | 
| Manufacturer Part Number | 63003 | 
| Special Features | 360 degree variable sipe technology, Asymmetric tread pattern, Dynamic Response Technology., Extreme Silica+ tread compound, Helio+ technology - Advanced rubber grips the road even in freezing conditions. | 
| UTQG | 540AAA | 
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