Porsche PCCB Ceramic Brake System

 

The revolutionary brake disc, which has been used as standard since January 2001 for deceleration in the 911 GT2, provides major advantages in brake response, fading stability, weight and service life. Like Porsche's conventional metal brake disc, it is perforated and internally ventilated but weighs more than 50% less. This reduces the total vehicle weight; in the case of the 911 GT2, for example, the weight is reduced by 16.6 kg. This not only saves fuel but also reduces the unsprung weight, which means that car handling and agility is further enhanced.

In conjunction with a completely new type of brake pad, ceramic brake discs obtain very high, and above all, consistent friction coefficients during deceleration, irrespective of whether conditions are hot or cold. This avoids unpleasant surprises for the driver if he or she must brake at high speeds for example. For brakes that initially offer good grip but unlike Porsche brakes are not designed specially for high speeds, friction is lost at high operating temperatures and can only be compensated for by increased pedal pressure. The new braking system also performs superbly in wet conditions. This is because the recently developed brake pad absorbs less water compared with conventional brake pads. The perforated disc also supports excellent braking performance in rainy conditions.

Compared with metal brake discs, ceramic brake discs wear only very slightly. This is due to their extremely hard surface. Their life expectancy is similarly high. The corrosion-resistant nature of the materials used in the ceramic brake discs also guarantee an extremely long service life. Ceramic brake discs are completely immune to road salt and liquid salt, which are used for example, in automatic spray systems on motorway bridges.

Technical data for Porsche Ceramic Composite Brakes

Six-piston aluminium monobloc fixed caliper at the front

Four-piston aluminium monobloc fixed caliper at the back

Brake caliper painted yellow

Internally-ventilated (involute cooling ducts) and perforated ceramic composite brake discs

Disc diameter: 350 mm front and back

Disc thickness: 34 mm at the front, 28 mm at the back

Brake pads designed specially for ceramic brake discs

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Parts sourced from OE Suppliers