Description
Cutting-Edge All-Season Traction and Dynamic Grip. The Michelin Pilot Sport A/S 4 Tire (225/40R18) represents the pinnacle of high-performance versatility, utilizing Michelin’s advanced Extreme Silica+ compound to provide exceptional adhesion on both bone-dry asphalt and rain-slicked surfaces. This innovative rubber chemistry is specifically formulated to remain pliable in freezing temperatures while maintaining its structural integrity during high-speed summer runs, ensuring that your vehicle delivers peak performance regardless of the season.
Revolutionary 360-Degree Variable Sipe Technology. To ensure maximum stability and braking efficiency in inclement weather, the Michelin Pilot Sport A/S 4 Tire (225/40R18) is engineered with full-depth 3D sipes that lock together under load to provide a rigid contact patch. These biting edges are strategically placed throughout the tread design to offer enhanced traction on light snow and ice, a feat rarely achieved by such a performance-oriented tire.
Dynamic Response for Surgical Steering Precision. Taking inspiration from elite racing tires, the Michelin Pilot Sport A/S 4 Tire (225/40R18) features a unique internal construction that includes a high-density aramid and nylon belt designed to resist centrifugal force at high speeds. This Dynamic Response technology ensures that the tire maintains a consistent and optimal footprint during aggressive cornering maneuvers, translating every steering input directly to the road with minimal delay.
Installation. Putting this Michelin Pilot Sport A/S 4 Tire (225/40R18) on your vehicle takes 1 hour to install.
Warranty. There is a limited warranty on this product.
Application. The Michelin Pilot Sport A/S 4 Tire (225/40R18) offers universal fitment.
Michelin 34320
CA Residents: WARNING: Cancer and Reproductive Harm
- Tire
- Tire Size: (225/40R18)
- Dynamic Response Technology for Even Distribution of Forces
- Extreme Silica Compound Provides Superior Wet Traction
- 360-Degree Variable Sipe Technology for Enhanced Grip in Snow
- Asymmetric Tread Pattern Designed for High-Performance Handling
- Helio+ Technology Ensures Rubber Stays Flexible in Cold Temperatures
- Deep Tread Grooves Effectively Evacuate Water to Prevent Hydroplaning
- Biting Edges in the Grooves Enhance Traction on Loose Snow
- One-Hour Installation
- Limited Warranty
- Universal Fitment
| Brand | Michelin |
| Tire Model | Pilot Sport A/S 4 |
| Tire Type | All-Season |
| Tire Size | 225/40R18 |
| Tire Diameter | 25 |
| Tire Load Index | 92 (1389 lbs per tire) |
| Tire Load Rating | XL |
| Tire Tread Depth | 10/32″ |
| Tire Revs Per Mile | 739 |
| Tire Speed Rating | (Y) Up to 186+mph |
| Tire Weight | 31 |
| Wheel Diameter | 18 |
| UTQG Tire Rating | N/A |
| Tire Tread Pattern | Non-Directional |
| Minimum Wheel Width | 7.5″ |
| Maximum Wheel Width | 9″ |






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