SKU: A2-155
GiroDisc Porsche 911 Turbo/Turbo S (991 Excl PCCB) Slotted Rear Rotors
GiroDisc slotted rear rotors deliver direct replacement braking upgrades for 2014-2019 Porsche 911 Turbo and Turbo S models on the 991 chassis excluding PCCB systems. The curved slot pattern expels brake gases and debris for consistent stopping power during spirited driving or track sessions. Two-piece construction with aluminum hats reduces unsprung weight by 5.1 lbs per rotor compared to OEM steel units improving suspension response and acceleration.
Key Features
- Curved Vane Slotted Surface: Channels heat and gases away from the pad interface reducing fade and maintaining grip in high-heat conditions
- Two-Piece Build: 6061-T6 aircraft-grade aluminum hats with high-carbon alloy rotor rings cut 10.2 lbs total weight per pair while retaining full rigidity
- Black Zinc Geomet Coating: Shields rotors from rust and corrosion extending service life in harsh environments
- 350 x 30mm Dimensions: Matches OEM rear specs of 13.78 inches diameter and 1.18 inches thickness for plug-and-play fit
- Hard Anodized Hats: Lightweight hats resist wear and galling during repeated high-load use
Product Notes
- Sold as a pair including left and right rotors
- Follow GiroDisc bedding procedure after installation for peak performance
- Excludes vehicles equipped with Porsche Ceramic Composite Brakes (PCCB)
Installation Notes
- Professional installation recommended.
- Direct bolt-on using existing OEM calipers hardware and torque specs
- No modifications required clean hub mating surfaces before mounting
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014 | Porsche | 911 | Turbo |
| 2014 | Porsche | 911 | Turbo S |
| 2015 | Porsche | 911 | Turbo |
| 2015 | Porsche | 911 | Turbo S |
| 2016 | Porsche | 911 | Turbo |
| 2016 | Porsche | 911 | Turbo S |
| 2017 | Porsche | 911 | Turbo |
| 2017 | Porsche | 911 | Turbo S |
| 2018 | Porsche | 911 | Turbo |
| 2018 | Porsche | 911 | Turbo S |
| 2019 | Porsche | 911 | Turbo |
| 2019 | Porsche | 911 | Turbo S |
Why Choose GiroDisc?
- Engineered and manufactured in the USA since 2003 for dedicated enthusiasts
- Proven design used in professional racing and high-performance street applications
- Precision CNC-machined components ensure perfect balance and hub-centric fit
Frequently Asked Questions
- Q: Will these rotors fit my 991 Turbo with PCCB?
A: No these are designed for steel brake equipped 991 Turbo/Turbo S models PCCB cars require ceramic-specific rotors - Q: What materials are used in construction?
A: High-carbon 350x30mm slotted rotor rings paired with 6061-T6 aluminum hats featuring black zinc coating on rotors and hard anodizing on hats - Q: What is the warranty and break-in process?
A: Lifetime warranty against rotor cracking/warping when proper bedding is followed initial 500-mile break-in with light braking then track-style bedding heats cycles recommended
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Oversized double-walled box measuring 18 x 18 x 12 inches
- Weight: 52 lbs shipping weight
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