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Floating Front Brake Disc Upgrade. Porsche 718 Boxster / Cayman S / GTS 2.5ltr › 9M71825GTS
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
9m Floating Front Brake Disc Upgrade – 350 x 34mm
Sold as a pair
Take the braking performance to
the next level with the 9m Floating Front Brake Disc Upgrade, engineered
for drivers who demand exceptional stopping power, improved heat management and
long-term durability. Designed as a premium replacement for the factory front
brake discs, this two-piece floating slotted brake disc assembly combines
advanced materials with precision engineering to deliver consistent braking
performance on both road and track.
Fits:
- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
- Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Each assembly consists of a CNC-machined aluminium hat paired with a high-carbon alloy cast iron floating rotor ring, reducing unsprung weight while allowing the braking surface to expand and contract naturally under extreme temperatures. This floating design helps minimise stress, reduces the risk of disc distortion and maintains a more consistent pedal feel during repeated heavy braking.
Manufactured using CM-250 formulated high-carbon alloy cast iron, the rotor rings are heat treated to relieve internal stresses before machining, improving strength, stability and resistance to cracking or vibration. Combined with 72 precision-engineered internal cooling vanes, these discs deliver outstanding thermal efficiency, allowing heat to dissipate rapidly and helping maintain braking performance under sustained high-load conditions.
The result is a brake disc package that offers exceptional reliability, improved driver confidence and the performance expected from a Porsche developed for enthusiastic road driving and occasional circuit use.
What Does a Two-Piece Floating Brake Disc Do?
A floating brake disc separates the braking surface from the mounting hat, allowing each component to perform its specific function more efficiently.
Key advantages include:
- Allows the rotor ring to expand independently during heavy braking.
- Reduces thermal stress transferred into the hub assembly.
- Minimises the risk of brake judder and disc distortion.
- Improves heat dissipation.
- Reduces unsprung weight.
- Delivers more consistent pedal feel.
- Enhances braking performance during repeated high-speed stops.
Compared with conventional one-piece brake discs, floating assemblies provide improved thermal management and greater durability under demanding driving conditions.
Why Upgrade to the 9m Floating Brake Disc Assembly?
The 9m floating brake disc upgrade has been developed using premium materials and precision manufacturing processes to maximise braking efficiency.
Benefits include:
- Two-piece floating brake disc design.
- Slotted braking surface for improved pad cleaning and gas evacuation.
- 72 internal cooling vanes for exceptional airflow.
- CM-250 formulated high-carbon cast iron rotor rings.
- Heat-treated rotors to reduce internal stresses.
- CNC-machined 6061-T6 aluminium hats.
- Hard anodised hat assemblies for corrosion resistance.
- Reduced unsprung weight.
- Improved resistance to thermal distortion.
- Consistent braking performance under repeated heavy use.
- Ideal for spirited road driving, fast road builds and track days.
Premium Engineering
Every component has been carefully engineered to deliver exceptional durability and performance.
Rotor Rings
The rotor rings are manufactured from CM-250 high-carbon
alloy cast iron, providing:
- Outstanding high-temperature strength.
- Excellent wear resistance.
- Improved thermal stability.
- Enhanced braking consistency.
- Long service life.
Following casting, each rotor is heat treated to relieve internal stress, helping prevent deformation and vibration throughout its operating life.
Aluminium Hat Assemblies
The centre hats are precision CNC machined from 6061-T6 aluminium before receiving a durable hard anodised finish.
Benefits include:
- Lightweight construction.
- Excellent dimensional accuracy.
- Corrosion resistance.
- Reduced unsprung mass.
- High structural rigidity.
Slotted Brake Disc Design
The precision-machined slots help maintain optimum braking
performance by:
- Clearing brake dust from the pad surface.
- Allowing gases generated under heavy braking to escape.
- Maintaining consistent pad contact.
- Improving wet-weather braking response.
- Enhancing pedal consistency.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9M71825GTS
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L

Fits:
Rear rotor: 380mm Direct Replacement
Porsche 981 Cayman GT4 without Ceramic Brake (PCCB)
Porsche 718 Cayman GT4 without Ceramic Brake (PCCB)
Porsche 991 turbo / turbo S without Ceramic Brake (PCCB)
Porsche 992 turbo without Ceramic Brake (PCCB)
Kit Contains:
Brake Disc 380MM complete with centre bell.
Brake Disc Type: 2-Piece Slotted
The Girodisc brake rotor is a direct replacement for the OE discs, and provides significant performance benefits. The rotors are compatible with any of the current pads typically used with these cars.
Additional information:
Braking Performance: The rotor is a two-piece design developed in racing to produce a lightweight rotor that can compensate for the different expansion rates between the hat and rotor and eliminate the possibility of rotor warping.
The rotor and hat have a floating mount system, which utilizes 10 high strength alloy steel drive pins, which allows for axial and radial float.
More heat sink without a weight penalty: The Girodisc disc set weights in a little lighter than the OE system but with an important advantage. The rotors have grown in diameter. This means that weight has been transferred from the center hat were it does nothing to the outer diameter where it is actively absorbing and dispersing heat.
High Quality Materials: The Girodisc system uses only the highest quality materials and components. The rotors are high carbon content iron for long wear and stable thermal performance. The top hat section is machined from billet aluminum with an attractive anodized finish.
This product is a special order item, allow 5 - 7 working days for delivery.
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.2 Carrera 2 GTS / Spirit 70 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Sold as a pair
Brake Disc Ø: 390mm
Brake Disc Thickness: 32mm
Upgrade the braking performance of your performance Porsche with DesignTek Carbon Ceramic Rear Brake Discs — engineered for drivers who demand exceptional stopping power, consistent performance, and long-life durability on both road and track.
Fits:
Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
Porsche 992.1 Turbo 3.8L 2020-24
Porsche 992.1 Turbo S 3.8L 2020-24
Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
Porsche Cayman GT4 3.8L 2015-16
Porsche Cayman GT4 718 4.0L
Crafted to be a direct OE-replacement fit, these carbon ceramic discs deliver a substantial enhancement over conventional cast iron brakes. They maintain consistent performance throughout a wide temperature range, resist fade under repeated hard use, and significantly reduce unsprung mass for improved vehicle dynamics. Whether you’re pushing your Porsche hard on track days or seeking superior braking feel and reduced dust for aggressive street performance, DesignTek Carbon Ceramic Rear Brake Discs offer a premium, precision-engineered solution.
Product Features:
- Carbon ceramic construction for high heat tolerance and fade-resistant braking
- Direct OE replacement fitment for vehicles originally equipped with carbon ceramic systems
- Lightweight design reduces unsprung and rotating mass for quicker response
- Exceptional thermal stability and wear resistance
- Designed for use with OE and compatible aftermarket calipers
- Pairs perfectly with DesignTek CCB-compatible brake pads (recommended)
- Ideal for high-performance road use and track performance driving
Important Fitment & Usage Notes:
- Carbon ceramic discs must be used with CCB-compatible brake pads — not standard iron-disc pads
- Compatible with OE and selected aftermarket calipers that are designed for carbon ceramic use
- Not suitable for use with pads or calipers that aren’t expressly rated for carbon ceramic applications
- Before ordering, please confirm caliper compatibility and pad selection to ensure optimal performance and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
36040092TCR
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.2 Carrera 2 GTS / Spirit 70 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
Sold as a pair
Brake Disc Ø: 410mm
Brake Disc Thickness: 36mm
Upgrade the braking performance of your performance Porsche with DesignTek Carbon Ceramic Front Brake Discs — engineered for drivers who demand exceptional stopping power, consistent performance, and long-life durability on both road and track.
Fits:
Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
Porsche 992.1 Turbo 3.8L 2020-24
Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
Crafted to be a direct OE-replacement fit, these carbon ceramic discs deliver a substantial enhancement over conventional cast iron brakes. They maintain consistent performance throughout a wide temperature range, resist fade under repeated hard use, and significantly reduce unsprung mass for improved vehicle dynamics.
Whether you’re pushing your Porsche hard on track days or seeking superior braking feel and reduced dust for aggressive street performance, DesignTek Carbon Ceramic Front Brake Discs offer a premium, precision-engineered solution.
Product Features:
- Carbon ceramic construction for high heat tolerance and fade-resistant braking
- Direct OE replacement fitment for vehicles originally equipped with carbon ceramic systems
- Lightweight design reduces unsprung and rotating mass for quicker response
- Exceptional thermal stability and wear resistance
- Designed for use with OE and compatible aftermarket calipers
- Pairs perfectly with DesignTek CCB-compatible brake pads (recommended)
- Ideal for high-performance road use and track performance driving
Important Fitment & Usage Notes:
- Carbon ceramic discs must be used with CCB-compatible brake pads — not standard iron-disc pads
- Compatible with OE and selected aftermarket calipers that are designed for carbon ceramic use
- Not suitable for use with pads or calipers that aren’t expressly rated for carbon ceramic applications
- Before ordering, please confirm caliper compatibility and pad selection to ensure optimal performance and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
36040092GCF
The product you are viewing cross references to these numbers
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