2003-2010 Porsche Cayenne (955 Carbon Ceramic Big Brake Kit — Akebono Porsche 10N DB11 The GLC63S and GLC63 use

The GLC63S and GLC63 use a 390mm front and 370mm rear disc

The front is Brembo's X-Style FA-042 forged 6-piston caliper clamping a 380 mm carbon-ceramic rotor

Fitment is trim-specific: the TT RS uses 370mm front and 310mm rear rotors

This is a direct replacement — the carbon-ceramic rotors

2003-2010 Porsche Cayenne (955 Carbon Ceramic Big Brake Kit — Akebono Porsche 10N DB11 The GLC63S and GLC63 useReal Customer Builds & Reviews View All Will This Fit My Car? Full Upgrade CCB Big Brake Kits (With Calipers) for the 2003 2010 Porsche Cayenne (955. This page's exact brake setup: Model Years Front Setup Rear Setup Min. Wheel Size 2003 2010 Akebono OEM Porsche 10 Piston (10N) Caliper 420 440mm Brembo OEM Porsche 19Z 4 Piston Caliper 380mm 21" Fitment here is bespoke: brackets, hat offsets, and caliper mounting are engineered for your exact model and