2011-2018 Porsche Cayenne (958) Turbo / S Carbon Ceramic Brake Rotors CTS so the front must be

so the front must be a 4-piston-or-more caliper

and no master-cylinder work

Confirm your factory rotor sizes with us first — a 390mm car cannot run 420mm discs

That's the main reason owners switch

Wheel Size Base 315mm 17" S/GTS 330mm 17" GT4 380mm

2011-2018 Porsche Cayenne (958) Turbo / S Carbon Ceramic Brake Rotors CTS so the front must beReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2011 2018 Porsche Cayenne (958) Turbo S. Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size Turbo 390mm, 420mm (PCCB) 358mm, 370mm (PCCB) 21" Turbo S 420mm (PCCB) 370mm (PCCB) 21" Keep Your Factory Calipers? Keep them if the front calipers