Michelin Michelin Pilot Sport Cup 2 R 315/30ZR21 (105Y)
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Michelin Pilot Sport Cup 2 R 315/30ZR21 (105Y)

Michelin
MCH38665
086699386656
Tires - Track and Autocross
2 Units In Stock - Ships Next Business Day
$ 823.00
$ 823.00

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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