Michelin 43914 Pilot Sport AS 4 All-Season Ultra High Performance Tire 245/40R21

The Michelin Pilot Sport AS 4 delivers exceptional all-season performance for drivers who demand both sporting capability and year-round versatility. This ultra-high performance passenger tire combines advanced technology with Michelin's legendary engineering to provide confident handling in dry, wet, and light winter conditions.

Advanced Performance Technologies:

• Dynamic Response Technology: Distributes forces and temperatures evenly across the contact patch for extended tread life and consistent performance
• Helio Plus Compound: Advanced silica-based rubber compound maintains flexibility and grip even in near-freezing temperatures
• Asymmetric Tread Design: Optimized tread pattern with additional rubber on the outer shoulder delivers exceptional lateral grip and cornering stability
• Full-Depth Interlocking Sipes: Three-dimensional sipes create biting edges that enhance traction on wet roads and in light snow while maintaining block rigidity
• Winter-Ready Tread Features: Specialized biting edges in tread grooves grab loose snow to improve acceleration and braking control in winter conditions

Warranty Coverage: Backed by Michelin's Standard Limited Warranty with mileage warranties varying by speed rating—45,000 miles for Y and W-rated sizes, 30,000 miles for (Y)-rated sizes. Run Flat (ZP) technology available on select sizes for continued mobility after air loss.