SKU: 38665 | UPC: 086699386656
Michelin Pilot Sport Cup 2 R 315/30ZR21 (105Y) Rear Tire for 2022-2025 Porsche 911 GT3 & GT3 Touring
The Michelin Pilot Sport Cup 2 R 315/30ZR21 (105Y) is an extreme performance summer tire engineered for track dominance and spirited road driving. It serves as the factory rear tire for 2022-2025 Porsche 911 GT3 and GT3 Touring models, providing razor-sharp cornering and high-speed stability. With a 105 load index supporting up to 2050 lbs per tire and Y speed rating over 186 mph, it handles supercar demands effortlessly.
Key Features
- Bi-Compound Technology: Outer tread uses Track Longevity compound for consistent grip over multiple hot laps, inner shoulder maximizes dry traction for aggressive cornering.
- Extreme Silica Compounds: Delivers immediate grip from cold and maintains performance through high heat cycles, ideal for track sessions.
- Lightweight Construction: Reduces unsprung weight at 30.1 lbs per tire, improving acceleration, braking, and suspension response.
- Hybrid Belt Design: Combines aramid and nylon for precise steering feedback and high-speed stability up to 186+ mph.
- Optimized Tread Pattern: Asymmetric design with wide contact patch enhances lateral grip and water evacuation for safer road transitions.
Product Notes
- Requires professional tire mounting and balancing for optimal performance.
- Store in cool, dry place away from sunlight to preserve compound integrity.
- Ships freight or ground. inspect upon arrival for any transit damage.
Installation Notes
- Professional installation recommended.
- Torque lug nuts to vehicle specifications (typically 96 ft-lbs for Porsche 911).
- Compatible with OEM Porsche wheels. ensure TPMS sensors are transferred or updated.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2022-2025 | Porsche | 911 | GT3 |
| 2022-2025 | Porsche | 911 | GT3 Touring |
| 2023-2025 | Porsche | 911 | GT3 RS |
Why Choose Michelin?
- Proven in FIA GT racing and Porsche homologation for real-world track validation.
- Engineered with input from Porsche engineers for exact GT3 fit and dynamics.
- Advanced materials ensure lap after lap consistency under extreme conditions.
Frequently Asked Questions
- Q: Will this tire fit my 2023 Porsche 911 GT3?
A: Yes, it is the OEM-spec rear tire size 315/30ZR21 for 2022-2025 Porsche 911 GT3, GT3 Touring, and GT3 RS models. - Q: What tread compound is used?
A: Track Longevity full-depth compound on outer tread with high-grip shoulder rubber, offering superior dry traction and heat resistance. - Q: What is the warranty coverage?
A: Michelin offers a 60-day satisfaction guarantee and limited treadwear warranty. track use may accelerate wear based on driving style.
Shipping & Handling
- Method: Ground or freight
- Availability: In stock – ships same or next business day
- Packaging: Secure tire box 34in x 34in x 14in
- Weight: 30.1 lbs
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