Description
The Michelin Pilot Sport 4 S (ZP) is a max-performance summer tire engineered for high-performance sports cars and drivers who demand exceptional dry grip, wet braking, precise steering response, and confident handling. Michelin positions the Pilot Sport 4 S for road use and occasional track driving, combining high levels of performance with everyday drivability.
This 345/25ZR21 104Y XL rear tire features Michelin's Zero Pressure (ZP) run-flat technology, providing additional mobility capability in the event of air loss. The Extra Load (XL) construction is designed for applications requiring increased load capacity.
The Pilot Sport 4 S uses Michelin's performance-focused technologies to provide precise steering and strong cornering performance. Its multi-compound construction is engineered to deliver high levels of dry and wet grip, while the tire's overall design is optimized for responsive handling and braking.
The 345/25ZR21 size is an extremely wide, low-profile performance application. Michelin lists this exact size as an original-equipment fitment for select Chevrolet Corvette applications, including the Corvette Z06 and E-Ray, with the GM-approved ZP specification.
Key Features
- Michelin Pilot Sport 4 S max-performance summer tire
- 345/25ZR21 size
- 104Y load and speed rating
- XL (Extra Load) construction
- ZP (Zero Pressure) run-flat technology
- Designed for exceptional dry grip and wet braking
- Precise steering response and high-speed control
- Excellent cornering performance
- Multi-compound construction
- Designed for road and occasional track use
- Original-equipment specification for select Chevrolet Corvette applications
- GM-approved ZP application for compatible Corvette fitments
Technical Specifications
Brand: Michelin
Model: Pilot Sport 4 S
Tire Type: Max Performance Summer
Size: 345/25ZR21
Load Index: 104
Speed Rating: Y
Construction: XL (Extra Load)
Run-Flat Technology: ZP (Zero Pressure)
Application: High-Performance Passenger Vehicle
Position: Rear on applicable staggered OE applications
Fitment
This specific 345/25ZR21 104Y XL ZP configuration is listed by Michelin as an OE rear tire for select Chevrolet Corvette applications, including:
- Chevrolet Corvette Z06
- Chevrolet Corvette E-Ray
- Select 2023-2026 Corvette configurations using the 21-inch rear tire size
Michelin identifies the exact 345/25ZR21/XL (104Y) ZP GM specification as an original-equipment rear fitment for compatible Corvette applications.
Important: Verify the exact vehicle year, model, wheel size, and OE tire specification before ordering. The ZP and GM-approved specifications are important for vehicles originally equipped with this tire configuration.
