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- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Sold as a rear axle set
Fits:
Porsche 991 GT3 / GT3 RS - 2014 to 2021
Porsche 981 Cayman GT4 - 2015 to 2016
Porsche 718 Cayman GT4 - 2019 Onwards
Porsche 718 Spyder - 2019 Onwards
9m floating rear brake disc and pad replacement set
Not suitable as PCCB conversion
Disc size : 380 x 30mm
Direct replacement for steel assemblies with 380mm rear discs
Hat and Floating disc assembly kit with slotted road brake discs (Left and Right)
Two-piece floating slotted front iron disc upgrade (including centre lock wheels)
- Rotors come with 48 cooling vanes for optimal cooling.
- Assemblies made of CM-250 formulated high carbon alloy cast iron, it allows for high-temperature strength and durability.
- Hat assemblies are CNC machined from 7075 T6 material then hard anodised.
- Rotor rings are heat treated to release
stress in the rotor to avoid deformation and vibration.
High brake coefficient of friction 0.55
With higher stopping power and maximum effective operating temperature, the 9M compound is ideal for advanced high speed track events, competitions and heavier cars that require maximum braking performance.
- Good modulation and release characteristics
- Excellent pad and rotor life
- High fade resistance compound, with solid pedal feel throughout the effective temperature range
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9GT615601NKIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
Front Sports Brake Disc & Pads Set - Zimmermann Formula Z & EBC YELLOWstuff
The Front Sports Brake Disc and Pads Set featuring Zimmermann
Formula Z Brake Discs and EBC YELLOWstuff FAST ROAD Brake Pads is a
high-performance braking upgrade engineered for the Porsche 991.2 Carrera 2S,
Carrera 4S and GTS. Designed to cope with increased power and higher braking
loads, this matched front brake package delivers stronger stopping power,
improved heat management, and consistent braking confidence during fast road
and spirited driving.
Front Discs:
- Type:
Two-piece floating brake disc, vented and perforated
- Diameter: 350mm
- Thickness New / Min: 34 / 32
Fits:
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
Available from Design911, this front brake kit combines German-engineered disc quality with proven high-friction pad technology to provide a clear performance upgrade over standard factory components—without compromising daily usability.
What Does This Front Sports Brake Kit Do?
This matched front-axle upgrade enhances braking efficiency, response, and control.
Core Functions:
Increase initial brake bite and overall stopping performance Improve heat dissipation during repeated high-speed braking Reduce brake fade under fast road and enthusiastic driving Maintain clean, consistent pad contact for predictable braking Deliver a firm, progressive pedal feel with improved feedbackUpgrading discs and pads together ensures optimal compatibility, balance, and long-term braking performance.
Why Upgrade to Zimmermann Formula Z Discs & EBC YELLOWstuff Pads?
Standard factory brakes on S and GTS models are capable, but performance can drop when driven hard.
Upgrade Advantages:
- Zimmermann Formula Z Brake Discs offer precision machining, OE-quality fitment, and a stable friction surface for consistent braking under load
- EBC YELLOWstuff FAST ROAD Brake Pads deliver high friction from cold with excellent resistance to brake fade
- Improved stopping performance compared to OEM pads and discs
- Enhanced pedal feel and braking consistency at higher temperatures
- More refined and road-friendly than aggressive track-only brake setups
This upgrade is ideal for drivers who enjoy fast road driving and want stronger, more confidence-inspiring braking.
Engineering & Quality Highlights
- Zimmermann Formula Z front brake discs
- EBC YELLOWstuff FAST ROAD front brake pads
- Performance-focused disc and pad pairing
- Precision manufacturing with strict quality control
- Designed specifically for Porsche 991.2 Carrera S, Carrera 4S and GTS front-axle fitment
Together, these components deliver dependable, fade-resistant braking performance matched to Porsche’s most engaging 911 variants.
Key Benefits
- Stronger stopping power and sharper pedal response
- Reduced brake fade during spirited driving
- Improved braking confidence and consistency
- OE-quality fitment with clear performance gains
- Ideal front brake upgrade for Porsche 991.2 Carrera S, Carrera 4Sand GTS models
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEKIT991S.2F.SPT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
Rear Sports Brake Disc & Pads Set - Zimmermann Formula Black & EBC YELLOWstuff
The Rear Sports Brake Disc and Pads Set featuring Zimmermann Formula Black Brake Discs and EBC YELLOWstuff FAST ROAD Brake Pads is a performance-focused braking upgrade for the Porsche 991.2 Carrera 2S, Carrera 4S and GTS. Engineered to complement upgraded front braking systems, this matched rear brake package improves braking balance, heat control, and stability under fast road and spirited driving conditions.
Rear Discs:
- Type: Vented and Slotted
- Diameter: 330mm
- Thickness New / Min: 28 / 26
Fits:
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
Available from Design911, this rear brake kit combines corrosion-resistant German-engineered discs with high-friction pad technology to deliver consistent, confidence-inspiring braking performance without sacrificing everyday refinement.
What Does This Rear Sports Brake Kit Do?
This matched rear-axle upgrade enhances braking balance and overall system performance.
Core Functions:
- Improve rear braking response and stability
- Increase friction and control during heavy braking
- Improve heat dissipation under repeated braking loads
- Reduce rear brake fade during fast road driving
- Maintain clean, consistent pad contact for predictable braking
Upgrading rear discs and pads together ensures optimal compatibility and balanced braking performance alongside the front axle.
Why Upgrade to Zimmermann Formula Black Discs & EBC YELLOWstuff Pads?
Standard rear braking components are often pushed hard when front brakes are upgraded.
Upgrade Advantages:
- Zimmermann Formula Black Brake Discs feature a durable black coating for corrosion resistance and long service life, with a stable friction surface for consistent braking
- EBC YELLOWstuff FAST ROAD Brake Pads deliver high friction from cold with excellent fade resistance under demanding conditions
- Improved rear braking consistency and control
- Enhanced braking balance front-to-rear
- More refined and road-friendly than aggressive track-only brake solutions
This upgrade is ideal for drivers seeking improved rear braking performance that complements fast-road front brake upgrades.
Engineering & Quality Highlights
- Zimmermann Formula Black rear brake discs
- EBC YELLOWstuff FAST ROAD rear brake pads
- Performance-focused disc and pad pairing
- Precision manufacturing and strict quality control
- Designed specifically for Porsche 991.2 Carrera 2S, Carrera 4S and GTS rear-axle fitment
Together, these components deliver dependable, fade-resistant rear braking performance tailored to Porsche’s rear-engine sports cars.
Key Benefits
- Improved rear braking control and stability
- Reduced brake fade during spirited driving
- Enhanced braking balance and confidence
- Corrosion-resistant discs for extended service life
- Ideal rear brake upgrade for Porsche 991.2 Carrera 2S, Carrera 4S and GTS models
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
BRAKEKIT991.2S.R.SPT
The product you are viewing cross references to these numbers
This kit is comprised of the following items: