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Technical data - 911 Carrera 4S with ceramic brake discs (PCCB)

TECHNICAL DATA - 911 CARRERA 4S WITH CERAMIC BRAKE DISCS (PCCB)

Designation Notes, dimensions Wear limit
Operating brake (footbrake) with ceramic brake discs
Option - as of 2003 model (3 range)		   (1)
Hydraulic dual-circuit brake system with front-axle/rear-axle brake-circuit distribution. Vacuum brake booster, internally ventilated and perforated ceramic brake discs with six-piston monoblock fixed caliper on the front axle and four-piston monoblock caliper on the rear axle. (1)
The brake calipers are painted yellow for visual differentiation. (1)
PSM (1)
Brake booster (vacuum)   10 inches
Boost ratio   3.85
Brake master cylinder front 25.4 mm
rear 25.4 mm
Stroke 18/18 mm
Brake proportioning control (2)   EBV (2)
Brake discs front 350 mm (PCCB)
rear 350 mm (PCCB)
Effective brake discs front 284 mm
rear 291 mm
Piston in brake caliper front 6-piston 2 x 38 mm
2 x 32 mm
2 x 28 mm
rear 4-piston 2 x 30 + 2 x 28 mm
Brake pad area front 448 cm 2
rear 248 cm 2
Total brake pad area   696 cm 2
(1) Porsche Stability Management (PSM) standard with ABS, Traction Control (TC), ABD, MSR (engine drag torque control), FZR (vehicle regulator) and EBV (electronic brake distributor). Passive switching possibility for TC, FZR and MSR.
(2) EBV = electronic brake distributor (brake proportioning control). As a result, no screw-in brake proportioning valves are required!
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