Giro Slotted Brake Disc

Brake Disc / Rotor Slotted 2-pc FRONT




Fits:
Front rotor: 410mm Direct Replacement – Requires use of OEM Porsche iron rotor pad shape
Porsche 981 Cayman GT4 with Ceramic brake (PCCB)
Porsche 718 Cayman GT4 with Ceramic brake (PCCB)
Porsche 991 with Ceramic brake (PCCB)
Porsche 991.2 with Ceramic brake (PCCB)
Porsche 991 turbo / turbo S with Ceramic brake (PCCB)
Porsche 992 Carrera S / 4S with Ceramic brake (PCCB)
Porsche 992 turbo without Ceramic brake (PCCB) - Use GT3 pad shape

Kit Contains:
Brake Disc 410MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc REAR




Fits:
REAR rotor: 390mm Direct Replacement
Porsche 981 Cayman GT4 with Ceramic brake (PCCB)
Porsche 718 Cayman GT4 with Ceramic brake (PCCB)
Porsche 991 with Ceramic brake (PCCB)
Porsche 991.2 with Ceramic brake (PCCB)

Kit Contains:
Brake Disc 390MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake caliper mounting stud kit GiroDisc
One kit per axle



Fits: - Front 340mm disc and Rear 325mm disc

Porsche 996 Carrera - 1997 to 2005
Porsche 997.1 Carrera - 2005 to 2008
Porsche 986 Boxster S - 1999 to 2004
Porsche 987 Boxster S - 2009 to 2012
Porsche 987 Cayman S / Cayman R - 2005 to 2008

Rear Only - 325mm Disc
Porsche 981 Cayman / Boxster - 2012 to 2016
Porsche 981 Cayman S / Boxster S / GTS - 2012 to 2016
Porsche 718 Cayman / Boxster 2.0ltr - 2017 Onwards
Porsche 718 Cayman / Boxster S / GTS 2.5ltr - 2017 Onwards

Girodisc caliper studs are a direct replacement for the OEM caliper bolts.

A must-have item for those who track or race their cars often. The factory bolts will quickly strip out the threads in the expensive wheel uprights, from removing the calipers for maintenance. These Cup-style caliper studs will eliminate this problem and quickly pay for themselves. They also allow for quicker and easier caliper installation by guiding the calipers into position. Manufactured from aerospace quality 17-4 PH stainless steel for high strength and corrosion resistance. One kit includes 4 studs, nuts, and washers, complete for one axle. Two kits are required for the front and rear.
These Brake caliper stud kits now include the highest quality available, ARP 12-point nuts. This is a no-compromise solution. Made from high-strength stainless steel, these nuts will not corrode, have a 180,000 PSI tensile strength, and are compact in size for a better fit in the brake caliper bore.

Please Note
If you are not familiar with, or confident that you understand how to replace the caliper bolts with studs please have a certified mechanic perform the installation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BCS-04

The product you are viewing cross references to these numbers

Brake caliper mounting stud kit GiroDisc
One kit per axle



Fits: - Front and Rear

Porsche 997.2 Carrera - 2009 to 2012 
Porsche 991.1 Carrera / C4 - 2012 to 2016
Porsche 991.1 Carrera S / 4S / GTS - 2012 to 2016
Porsche 991.2  Carrera / C4 / T - 2016 to 2018

Front Only
Porsche 991 turbo / turbo S - 2012 to 2018 WITHOUT PCCB 
Porsche 981 Cayman S / Boxster S/ GTS - 2012 to 2016
Porsche 718 Cayman / Boxster 2.0ltr - 2017 Onwards 
Porsche 718 Cayman S / Boxster S / GTS 2.5ltr - 2017 Onwards

Rear Only
Porsche 991.2 Carrera S / 4S / GTS - 2016 to 2018
Porsche 996 GT3 Cup
Porsche 996.2 GT3 / GT2 - 2001 to 2005
Porsche 981 Boxster Spyder - 2016

Girodisc caliper studs are a direct replacement for the OEM caliper bolts.

A must-have item for those who track or race their cars often. The factory bolts will quickly strip out the threads in the expensive wheel uprights, from removing the calipers for maintenance. These Cup-style caliper studs will eliminate this problem and quickly pay for themselves. They also allow for quicker and easier caliper installation by guiding the calipers into position. Manufactured from aerospace quality 17-4 PH stainless steel for high strength and corrosion resistance. One kit includes 4 studs, nuts, and washers, complete for one axle. Two kits are required for the front and rear.
These Brake caliper stud kits now include the highest quality available, ARP 12-point nuts. This is a no-compromise solution. Made from high-strength stainless steel, these nuts will not corrode, have a 180,000 PSI tensile strength, and are compact in size for a better fit in the brake caliper bore.

Please Note
If you are not familiar with, or confident that you understand how to replace the caliper bolts with studs please have a certified mechanic perform the installation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BCS-03

The product you are viewing cross references to these numbers

Brake caliper mounting stud kit GiroDisc
One kit per axle



Fits: - Front 340mm Disc and Rear 325mm Disc

Porsche 996 Carrera  - 1997 to 2005
Porsche 997.1 Carrera - 2005 to 2008
Porsche 986 Boxster S - 1999 to 2004
Porsche 987 Boxster S - 2005 to 2012
Porsche 987 Cayman S / R - 2005 to 2012

Rear Only - 325mm Disc
Porsche 981 Cayman / Boxster - 2012 to 2016
Porsche 981 Cayman S / Boxster S / GTS - 2012 to 2016
718 Cayman 2.0ltr / Boxster 2.0ltr - 2017 Onwards 
Porsche 718 Cayman S 2.5ltr / Boxster S 2.5ltr / GTS 2.5ltr - 2017 Onwards

Girodisc caliper studs are a direct replacement for the OEM caliper bolts.

A must-have item for those who track or race their cars often. The factory bolts will quickly strip out the threads in the expensive wheel uprights, from removing the calipers for maintenance. These Cup-style caliper studs will eliminate this problem and quickly pay for themselves. They also allow for quicker and easier caliper installation by guiding the calipers into position. Manufactured from aerospace quality 17-4 PH stainless steel for high strength and corrosion resistance. One kit includes 4 studs, nuts, and washers, complete for one axle. Two kits are required for the front and rear.
These Brake caliper stud kits now include the highest quality available, ARP 12-point nuts. This is a no-compromise solution. Made from high-strength stainless steel, these nuts will not corrode, have a 180,000 PSI tensile strength, and are compact in size for a better fit in the brake caliper bore.

Please Note
If you are not familiar with, or confident that you understand how to replace the caliper bolts with studs please have a certified mechanic perform the installation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BCS-06

The product you are viewing cross references to these numbers

Brake caliper mounting stud kit GiroDisc
One kit per axle



Fits:

Porsche 997 turbo - 2007 to 2012 with PCCB
Porsche 997 GT3 Cup 
Porsche 997.1 GT3 / GT2  - 2007 to 2008 with PCCB
Porsche 997.2 GT3 / GT2  - 2010 to 2012 WITHOUT PCCB
Porsche 991 turbo / turbo S - 2012 to 2018 with PCCB
Porsche 991.2 Carrera 2 / 4  / 4S - 2016 to 2018 with PCCB
Porsche 991 GT3 / GT3RS - 2012 to 2018 WITHOUT PCCB
Porsche 991 GT3 /GT3RS / GT2RS 2012 to 2018 with PCCB
Porsche 992 GT3 - 2018 Onwards with or without PCCB
Porsche 981 Cayman GT4 - 2015 to 2016 with or without PCCB
Porsche 718 Cayman GT4 RS with or without PCCB
Porsche 718 Cayman GT4,
Porsche 718 Boxster Spyder with or without PCCB

Girodisc caliper studs are a direct replacement for the OEM caliper bolts.

A must-have item for those who track or race their cars often. The factory bolts will quickly strip out the threads in the expensive wheel uprights, from removing the calipers for maintenance. These Cup-style caliper studs will eliminate this problem and quickly pay for themselves. They also allow for quicker and easier caliper installation by guiding the calipers into position. Manufactured from aerospace quality 17-4 PH stainless steel for high strength and corrosion resistance. One kit includes 4 studs, nuts, and washers, complete for one axle. Two kits are required for the front and rear.
These Brake caliper stud kits now include the highest quality available, ARP 12-point nuts. This is a no-compromise solution. Made from high-strength stainless steel, these nuts will not corrode, have a 180,000 PSI tensile strength, and are compact in size for a better fit in the brake caliper bore.

Please Note
If you are not familiar with, or confident that you understand how to replace the caliper bolts with studs please have a certified mechanic perform the installation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BCS-02

The product you are viewing cross references to these numbers

Brake caliper mounting stud kit GiroDisc
One kit per axle



Fits: - Rear

Porsche 981 Cayman GT4 - 2015 to 2015 with or without PCCB 
Porsche 718 Cayman GT4 - 2017 Onwards with or without PCCB
Porsche 718 Boxster Spyder - 2017 Onwards with or without PCCB
Porsche 718 Cayman GT4 RS with or without PCCB
Porsche 991.1 GT3 / GT3 RS - 2012 to 2018 without PCCB
Porsche 991 GT3 / GT3RS / GT2RS - 2012 to 2018 with PCCB 
Porsche 992 911 GT3 - 2019 Onwards with or without PCCB

Girodisc caliper studs are a direct replacement for the OEM caliper bolts.

A must-have item for those who track or race their cars often. The factory bolts will quickly strip out the threads in the expensive wheel uprights, from removing the calipers for maintenance. These Cup-style caliper studs will eliminate this problem and quickly pay for themselves. They also allow for quicker and easier caliper installation by guiding the calipers into position. Manufactured from aerospace quality 17-4 PH stainless steel for high strength and corrosion resistance. One kit includes 4 studs, nuts, and washers, complete for one axle. Two kits are required for the front and rear.
These Brake caliper stud kits now include the highest quality available, ARP 12-point nuts. This is a no-compromise solution. Made from high-strength stainless steel, these nuts will not corrode, have a 180,000 PSI tensile strength, and are compact in size for a better fit in the brake caliper bore.

Please Note
If you are not familiar with, or confident that you understand how to replace the caliper bolts with studs please have a certified mechanic perform the installation.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

BCS-08

The product you are viewing cross references to these numbers

Brake Disc / Rotor Slotted 2-pc FRONT




Fits:
Porsche 718 GT4 RS

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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

A1-291S

The product you are viewing cross references to these numbers

Brake Disc / Rotor Slotted 2-pc FRONT.
SET OF 2




Fits:
This is a 350mm Upgrade with spacers & hardware for the following cars
Porsche 718 Boxster S / GTS
Porsche 718 Cayman S / GTS
Porsche 991.2 C2 / C4 / T
Porsche 992 C2 / C4 / T - use S rear pad for full sweep

Kit Contains:
Brake Disc 350MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Sold/priced in pairs.

Brake Disc / Rotor Slotted 2-pc FRONT




Fits:
Porsche 996 Turbo with Ceramic Brakes (PCCB)

Porsche 997 Turbo Without Ceramic
Porsche 997 C2 / C2S / C4S with Ceramic Brakes (PCCB)
Porsche 997.2 C2 with Ceramic Brakes (PCCB)
Porsche 987 Cayman S with Ceramic Brakes (PCCB)
Porsche 991.1 C2S with Ceramic Brakes (PCCB)
Porsche 991 C4S with Ceramic Brakes (PCCB)
Porsche 981 Boxster S with Ceramic Brakes (PCCB)
Porsche 981 Cayman S with Ceramic Brakes (PCCB)
Porsche 718 Boxster S / GTS with Ceramic Brakes (PCCB)
Porsche 718 Cayman S / GTS with Ceramic Brakes (PCCB)
Porsche 991.2 C2S / C4S / GTS
Porsche 992 C2S / C4S


Kit Contains:
Brake Disc 350MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This discs will fit cars with the Ceramic option from factory.

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc FRONT




Fits:
This is a 350mm Upgrade with spacers & hardware
Porsche 997.2 C2 / C4
Porsche 991.1 C2 / C4
Porsche 981 Boxster S
Porsche 981 Cayman S
Porsche 718 Cayman 2.0L
Porsche 718 Boxster 2.0L
Kit Contains:
Brake Disc 350MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc FRONT and REAR




Fits:
Porsche 997 Turbo with PCCB & CENTRE LOCK
Porsche 991 Turbo
Porsche 981 Cayman GT4 with steel disc
Porsche 718 Cayman GT4 with steel disc

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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc REAR




Fits:
Porsche 987 Cayman S with PCCB
Porsche 981 Cayman S with PCCB
Porsche 981 Boxster S with PCCB
Porsche 981 Spyder with PCCB
Porsche 982 Boxster GTS 2.5 with PCCB
Porsche 982C Cayman GTS 2.5 with PCCB
Porsche 982 Boxster GTS 4.0 with PCCB
Porsche 982C Cayman GTS 4.0 with PCCB

Kit Contains:
Brake Disc 350MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc REAR




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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc REAR




Fits:
This is a 325mm Upgrade with spacers & hardware for the following cars
Porsche 981 Boxster / S
Porsche 981 Cayman / S
Porsche 718 Boxster / S
Porsche 718 Cayman / S

Kit Contains:
Brake Disc 325MM 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. The rotor rings are bright zinc plated to help prevent unsightly corrosion

This product is a special order item, allow 5 - 7 working days for delivery.

Brake Disc / Rotor Slotted 2-pc REAR 992 GT3 excl. PCCB SET OF 2




Fits:
Porsche 992 GT3 excl. PCCB
Porsche 718 GT4 RS

Kit Contains:
Brake Disc complete with centre bell.

Brake Disc Type: 2-Piece Slotted

The Girodisc system is a direct replacement for the OE disc on the 992 GT3 with OEM iron rotors. No modifications are necessary, and it allows the use of unmodified factory pads. The disc will bolt directly to the car and work with factory calipers.

The central hat section of our rotor is made from strictly U.S. sourced 6061-T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in-house at Girodisc. The rotor utilizes a curved vane design, developed in racing to act as a centrifugal pump to force cooling air through the disc.

The rotor and hat have a floating mount system, which utilizes 12 high strength alloy steel drive pins, manufactured by Girodisc in the USA to our own specifications and cadmium plated for a long lasting corrosion resistance. These pins take the load from braking actions while maintaining the axial and radial float between the hat and disc. The pins are secured by class 12.9 cap screws with hardened washers. In order to keep the rotors from making noise when cold, the pins are mounted with anti-noise spring washers on the rotor side which allow the rotor to grow with heat expansion but eliminate the rattle and noise associated with floating rotors. This float also allows the rotor to self center between the pads.

Once the Girodisc system is in place, simply replace the cast iron rotor when needed.

This product is a special order item, allow 5 - 7 working days for delivery.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

A2-272

The product you are viewing cross references to these numbers

Replacement brake disc Slotted FRONT




Replacement disc only 350mm Upgrade with spacers & hardware

Porsche 996 C4S
Porsche 996 Turbo
Porsche 997 C2 with Ceramic option
Porsche 997 C2S
Porsche 997 C4S

Porsche 997 Turbo
Porsche 997.2 C2 with Ceramic option
Porsche 987 Cayman S w/PCCB
Porsche 991 C2S w/PCCB
Porsche 991 C4S w/PCCB
Porsche 981 Boxster S w/PCCB
Porsche 981 Cayman S w/PCCB
Porsche 718 Boxster S w/PCCB
Porsche 718 Cayman S w/PCCB

Titanium Brake pad heat shields, Front.

This Product Fits:

Porsche 981, 718 Cayman base, S and GTS (2.5L turbo)
does not fit GT4 or GTS 4.0 cars

The problem of brake fluid boiling is simply traced to heat transferring from the rotors and pads directly into the fluid through the caliper pistons. When brake fluid boils, it releases air that is normally part of the molecular structure of the fluid. This air is compressible of course, and the brake pedal goes to the floor instead of moving the caliper pistons. Production cars tend to suffer from this on track days more as they don't usually have the extensive cooling duct and exotic brake materials as true racing cars. True racing only brake calipers generally come with titanium caliper pistons for one reason. Titanium as a material, has low thermal conductivity. This means that it is very bad at transferring heat. Which is good if you are trying to keep your fluid cool.

The Girodisc solution to help prevent fluid boiling is to use a thin titanium shim placed between the pad back and the pistons, to keep the braking heat from transferring into the pistons and fluid. Here is a comparison of materials and their relative thermal conductivity ratings:

Titanium 6AL-4V 6.7 W/mk
Steel 52 W/mk
Aluminum 130 W/mk

You can see that Titanium will transfer far less heat than steel and especially aluminum. For cars that are going to see hard or multiple track days, these shims are cheap protection from loosing the pedal due to boiling at the wrong time and making the day very expensive.

Water jet cut to exact size, no cutting, grinding, or swearing involved.

Price is per axle (four pieces)