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Titanium Brake Pad Heat Shields Size: E2405/T5104. Porsche 986/987 Boxster / 987C Cayman / 996 / 997 (OE Part No 99635294903 / 99735193904) ❭ TS-917-4
- 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 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 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 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- 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
This Product Fits:

Porsche 986 Boxster S 3.2 99-05 Front
Porsche 987 Boxster S 3.2 05>> Front
Porsche 987C Cayman 06>> Front
Porsche 996 3.4/3.6 97-05 Front
Porsche 997 3.6L C2/C4* 05-09 Front
*Not S 3.8L
Porsche 997 3.6L C2/C4* 09>> Front
*Not S 3.8L

Porsche 996 C4S 02-05 Rear
Porsche 996 GT2 02-05 Rear
Porsche 996 GT3 MKI 99-01 Rear
Porsche 996 GT3 MKII 02-05 Rear
Porsche 996 3.6LTurbo 02-05 Rear
Porsche 997 3.8L C2S/C4S 05-09 Rear
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 fantastic 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 losing 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)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
TS-917-4
The product you are viewing cross references to these numbers
- Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- Porsche 970.1 Panamera S V8 4.8L 2009-13
- Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
- Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
- Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
- Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
- Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
- Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
- Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
- Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
- Porsche 971.2 Panamera GTS 4.0L V8 2021-23
- Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
- Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23
Information about Brake Pad Size
This Product Fits:

Porsche 970 Panamera 3.0ltr / 3.6ltr / 4.8ltr / 4.8ltr Turbo - 2009 to 2016
Porsche 971 Panamera 2.9ltr / 4.0ltr
971 with Option Codes
2EN - Rear brake discs, disc diameter 19", Brake caliper, Red
1KA - Rear brake discs, disc diameter 19", Brake caliper, Green
Tested to the highest levels on the track with decelerations from 270kph (168mph) the HP2000 material is capable of operating in the most demanding conditions.
With excellent cold performance & bite, high resistance to fade, frictional stability throughout all operating conditions, reduced pad & disc wear and low dust levels, the all new HP2000 friction material offers significant advantages over its rivals.Designed to be a direct replacement for the Original Equipment (OE) pads the Brembo sport pad comes with the exact same specification as the OE pad including (where applicable): fitted wear leads, slots for separate wear leads and anti-rattle clips with the added benefit of anti-noise shims on every pad.
Combine all of this with competitive pricing and UNECE R90 approval across the full range (making them street legal) and you get a true high performance brake pad fit for the road.
Sold as set of 4 pads for one axle.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
07B31538
The product you are viewing cross references to these numbers

This high temperature brake fluid designed for the most extreme racing conditions.
It has a dry boiling point of 335° C which is around 25° C higher than a typical racing brake fluid. Developed exclusively for competition use, Brembo HTC 64T provides the highest performance under all racing conditions and has been used in F1, ALMS, DTM, WRC and BTCC.
Very high dry boiling point (335°C) / Wet boiling point 203°C
Ideal for competition vehicles which experience high brake temperatures
Successfully used in top level Motorsport including F1
For maximum performance it is recommended that Brembo HTC 64T is not mixed with other brake fluids.
500ml Bottle
Please Note
Must not be used in brake systems containing magnesium parts

Reliability and high quality
Brembo Racing | SPORT | EVO 500++ brake fluid is ideal in all conditions, fit for all, from everyday driving to non-professional intermediate use on the track.
This is a reliable high quality fluid that improves pedal feel and consistent braking performance without the frequent inspection intervals of a full racing brake fluid.
Formulated for real enthusiasts
- Suitable for use in braking systems designed for non-mineral fluids.
- Purposely designed to meet the expectations of enthusiasts who demand a lot from their system.
- Exceeds the requirements of specification U.S. FMVSS No.116 DOT 3 and DOT 4, SAE J1703, SAE J1704 and ISO 4925 (classes 3 and 4).
- Compatible with other DOT 3, DOT 4 and DOT 5.1 brake fluids, as long as they comply with the above specification.
For safety reasons, it is recommended to replace your brake fluid at least once a year. Not Suitable for vehicles with mineral oil systems. Colour range: appearance from transparent to amber. In the case of new brake fluid, when poured out from the sealed bottle, the colour may differ from the range, but the performance remains the same.
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