SKU: 15531 | UPC: 086699155313
Michelin Pilot Sport Cup 2 315/30ZR21 (105Y) Rear Tire for 2007-2012 Porsche 911 GT3 and GT3 RS
The Michelin Pilot Sport Cup 2 315/30ZR21 (105Y) is a high-performance summer tire built for track days and spirited road driving. It fits the rear position on 2007-2012 Porsche 911 GT3 and GT3 RS models. This tire delivers sharp cornering response and consistent dry grip thanks to its racing-derived design.
Key Features
- Bi-Compound Technology: Outer shoulder uses endurance compound for longer wear during track sessions while inner sidewall provides maximum grip for cornering.
- Track Longevity: Increases tire life by 10% on circuits compared to previous generation through optimized tread pattern and compounds.
- Circuit Grip: Improves dry handling by 3% with enhanced contact patch and sticky rubber formulation.
- Lightweight Construction: Aramid fiber belts reduce rotating mass for quicker acceleration and braking response.
- Wet Road Performance: Maintains control with 4% shorter lap times on damp public roads via deep grooves and silica compounds.
Product Notes
- Monitor tire pressures regularly for optimal performance and safety.
- Store in cool dry place away from sunlight to preserve rubber compounds.
- Single tire shipment requires secure mounting upon receipt.
Installation Notes
- Professional installation recommended.
- Mount and balance on 21x12-inch wheels with 5x130mm Porsche bolt pattern.
- Compatible with factory Porsche GT3 rear wheels.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2012 | Porsche | 911 | GT3 |
| 2007-2009 | Porsche | 911 | GT3 RS |
| 2011-2012 | Porsche | 911 | GT3 RS |
Why Choose Michelin?
- Motorsport leader supplying factory teams in endurance racing.
- Engineered with input from Porsche for OEM-level performance.
- Precise tread design tested on Nürburgring for real-world results.
Frequently Asked Questions
-
Q: Will this tire fit my 2009 Porsche 911 GT3 rear?
A: Yes it directly replaces OEM rear tire on 2007-2012 Porsche 911 GT3 models including base and RS variants. -
Q: What speed and load ratings does it have?
A: Speed rating Y supports up to 186 mph load index 105 handles 2,039 lbs max per tire at specified pressure. -
Q: What warranty coverage applies?
A: Michelin offers 20,000-mile treadwear warranty plus road hazard protection when registered.
Shipping & Handling
- Method: UPS Freight Ground
- Availability: In stock - ships same or next business day
- Packaging: Securely wrapped tire in protective sleeve
- Weight: 27.8 lbs
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