Brake Calipers

Another STOMSKI RACING original, this ingenious tool is designed primarily for the "younger" Porsches (Caymans, Boxsters, Cayennes, 996s, 997s, GT3s, etc.) that are experiencing pulled threads in the aluminum suspension parts where the brake calipers bolt up (usually in the rear).
The SR152 fixture adjusts from a bolt hole spacing of 4.5" to about 6.5" allowing application for a wide range of vehicles.
It comes complete with 4 different bushings to help align the tool, and then guide all the tools of the TimeSert M12 kit (sold separately).
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S/GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
Unpainted front brake caliper
- Fitting Position: Front
- Weight: 2.44 kg
- Brake Caliper Type: Brake Caliper (4 pistons)
- Material: Aluminium
- Brake System: Brembo
- Piston Diameter 2 x 36mm
- Piston Diameter 2 x 40mm

Porsche 986 Boxster / Boxster S - 1997 to 2004
Porsche 987 Boxster / Boxster S - 2005 to 2012
Porsche 987C Cayman / Cayman S - 2005 to 2012
Porsche 996 Carrera 4S - 2001 to 2005
Porsche 996 turbo - 2000 to 2005
Porsche 996 GT3 - 1999 to 2002
Porsche 997.1 Carrera 2S / 4S - 2005 to 2008
Porsche 997.2 Carrera 2S / 4S / GTS / 4 GTS - 2009 to 2012
Porsche 997 GT3 - 2007 to 2011
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99635142
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12


Porsche 986 Boxster 2.5L/2.7L 1997-04
Porsche 987 Boxster 2.7L MKI 2005-08
Porsche 987 Boxster 2.9L MKII 2009-12
Porsche 987C Cayman 2.7L MKI 2006-08
Porsche 987C Cayman 2.9L MKII 2009-13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98635242
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman 2.9L 987C MKII 2009-12


Porsche 987 Boxster 2.9L MKII 2009-12
Porsche 987C Cayman 2.9L MKII 2009-13
Porsche 997 C2 3.6L / C4 3.6L 2005-08
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99735142
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12

For brake systems and is highly temperature-resistant (up to 1,000°C).
Available in 75ml tube and 5ml sachet
The advantages of Cera Tec:
• Non-conductive and contains no solids
• Suitable for ABS
• Facilitates brake installation
• Reduces brake squealing
• Protects against scoring and corrosion
• Free of copper and acids
• Pressure-resistant / high viscosity
Cera Tec is also suitable for lubricating:• Disc- and drum-brake systems
• Compressors
• Centralised lubrication systems
• Axle bearings
• Chains
• Seat rails
• Sunroof tracks
• Battery terminals
Application:
Apply a thin layer of Cera Tec on the marked sections
Find out about Textar product verification here
Hydra tec lubricant for maintenance work and protection Textar
Available in 75ml Tube or 5ml Sachet
The Advantages of Hydra Tec:
- Facilitates the installation of hydraulic brake components
- Tested compatibility with commercially available braking fluids (DOT3, DOT4, DOT4LV, DOT5.1)
- Free of mineral oils and compatible with EPDM rubber
- In addition, running surfaces are protected against corrosion
Hydra Tec is suitable for lubricating:
- Cylinder running surfaces
- Pistons
- Sealing elements
Application:
Apply a thin layer of Hydra Tec on the marked sections.
Note:
Hydra Tec should be applied thinly and evenly.
Never use mineral oils or greases as substitutes.
Do not apply the product on friction surfaces of brake pads or brake discs.
Find out about Textar product verification here
Porsche Brake Calipers | Design911 Precision Replacement & Performance Upgrades for Stopping Power & Control
Brake calipers are a vital part of your Porsche’s braking system — responsible for clamping the brake pads against the disc to create friction and slow the car safely and efficiently. They play a key role in delivering the sharp, responsive braking feel Porsche is renowned for. Whether you’re restoring a classic model or enhancing a modern performance car, maintaining or upgrading your calipers ensures consistent stopping power and driving confidence.
At Design911, we offer a wide selection of brake calipers engineered for precision performance, exact fitment, and long-term reliability. Each caliper is designed using high-quality materials to provide superior heat dissipation, even pressure distribution, and enhanced braking control. Ideal for road, track, or restoration projects, our calipers deliver the perfect blend of safety, strength, and Porsche performance heritage.
What Do Brake Calipers Do?
Brake calipers are the heart of the braking system, converting hydraulic pressure into mechanical force to bring your Porsche to a controlled stop.
Core Functions:
• Apply pressure to the brake pads for effective friction and deceleration.
• Ensure even braking force across each wheel.
• Maintain consistent braking feel and performance under heat and load.
• Work with brake discs and pads to optimise stopping distance.
• Provide responsiveness and control during aggressive driving or track use.
A well-functioning brake caliper guarantees stability, safety, and precision every time you hit the brakes.
Why Do Brake Calipers Fail or Degrade?
Over time, brake calipers are exposed to extreme heat, pressure, and environmental conditions — all of which can cause performance degradation or mechanical failure.
Common Causes of Failure Include:
• Corrosion or rust on pistons and seals.
• Leaking hydraulic fluid from worn seals or connections.
• Uneven brake pad wear due to sticking pistons.
• Fading performance from heat saturation and lack of maintenance.
• Physical damage from impact or excessive vibration.
When calipers fail, braking performance becomes inconsistent or unsafe — making replacement or refurbishment essential for maintaining control and confidence.
Why Replace or Upgrade Your Porsche Brake Calipers?
Replacing old or worn brake calipers restores your Porsche’s braking precision and safety. Upgrading to performance calipers can further enhance stopping power, consistency, and resistance to brake fade. Design911 offers options tailored for both daily driving and motorsport use.
Key Benefits:
• Restores even and powerful braking performance.
• Improves safety and pedal feel during high-demand conditions.
• Enhanced heat management and durability.
• Available in performance and original-spec styles.
• Direct-fit design for Porsche-specific applications.
• Perfect for road, track, or restoration builds.
Design911’s Porsche brake calipers deliver the balance of power, control, and endurance your Porsche deserves — engineered for precision and longevity.
Highlights
• Premium Porsche brake calipers for performance and
restoration.
• Manufactured from durable, heat-resistant alloys.
• Available for classic and modern Porsche models.
• Precision-engineered for balanced braking performance.
• Ideal for daily driving, track use, or concours restoration.
• Designed for exceptional strength and reliability.