SKU: A1-153
GiroDisc Porsche 911 Carrera (997.2) Slotted Front Rotors 2009-2012
GiroDisc A1-153 slotted front rotors provide direct replacement braking for 2009-2012 Porsche 911 Carrera S Carrera 4S and Carrera GTS 997.2 models. These two-piece rotors feature a lightweight 6061-T6 aluminum hat paired with high-carbon slotted iron rings for reduced unsprung weight and effective heat dissipation. Drivers gain consistent pedal feel and resistance to fade during aggressive track or street use.
Key Features
- Two-Piece Design: Aluminum hat floats on high-carbon rotor ring via bimetallic interface reducing rotational mass by 9 lbs per pair compared to OEM for quicker acceleration and suspension response
- Slotted Surface: 72 curved slots on 350 x 34 mm rotors expel gases and cool pads faster minimizing fade in repeated hard stops
- High-Carbon Alloy Iron: Resists thermal cracking and warping under high loads for longer service life in performance driving
- Forged Aluminum Hat: Hard-anodized 6061-T6 construction prevents corrosion and galling while shaving weight from factory steel hats
- Stainless Hardware: Included drive buttons and fasteners ensure precise float and zero play over time
Product Notes
- Compatible with OEM pads and performance pad compounds from Pagid Endless Hawk etc
- Inspect hardware during annual service for optimal function
- Pairs available oversize shipping applies based on location
Installation Notes
- Professional installation recommended.
- Torque rotor hat bolts to 28 ft-lbs in star pattern after cleaning hub and hat faces
- Uses factory calipers mounting bolts and hub no adapters required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2012 | Porsche | 911 | Carrera S |
| 2009-2012 | Porsche | 911 | Carrera 4S |
| 2011-2012 | Porsche | 911 | Carrera GTS |
Why Choose GiroDisc?
- Track-tested by Porsche racers and club enthusiasts for reliable stopping power
- Two-piece engineering delivers measurable weight reduction and thermal benefits
- Precision machined in Italy with USA assembly for exact OEM fitment
Frequently Asked Questions
- Q: Will A1-153 fit 997.1 Carrera S models?
A: No this rotor set fits only 997.2 2009-2012 Carrera S C4S GTS with 350 x 34 mm hubs 997.1 uses different dimensions - Q: What rotor material and finish is used?
A: High-carbon 72 slotted iron rings with no coating for natural bedding black oxide optional hat is hard black anodized aluminum - Q: What warranty applies and bedding process?
A: Limited lifetime on hats 2 years on rings against defects bed-in with 10-12 progressive stops from 60-10 mph then 2 cool-down laps
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Individual protective sleeves in double-wall box 24 x 18 x 12 inches
- Weight: 48 lbs
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