2014-2016 Porsche Cayman (981) / S / GTS / GT4 Carbon Ceramic Brake Kit2014 2016 Porsche Cayman (981) S GTS GT4 Carbon Ceramic Brake Kit OEM Size Replacement Owners of the 2014 2016 Porsche Cayman 981 usually shop carbon ceramic brakes for one of two reasons: iron rotors are running hot on track, or factory PCCB rotors have reached replacement cost territory. This StopFlex OEM size kit matches the listed 315 mm Base, 330 mm S GTS, 380 mm GT4 iron, or 410 mm GT4 PCCB front setup with the corresponding 299 mm, 380 mm, or