High-performance brake kits for road and track use Patented StopTech Aerorotors brake discs for optimized airflow Patented solid aluminum bell for increased air flow Ultra-high stiffness StopTech calipers with patented adapters to simplify installation Steel-braided StopTech brake lines for better feel of the brake pedal All accessories necessary for installation USA Made components Full ISO / TS 16949: 2009 certification Application list: PORSCHE 911 GT2 (997) 08-09PORSCHE 911 GT3 (997) 07-09PORSCHE 911 GT3 (997 ) 10-10PORSCHE 911 GT3 (w / PCCB) (997) 07-09PORSCHE 911 GT3RS (w / PCCB) (997) 07-09PORSCHE 911 Turbo (997) 07-08PORSCHE 911 Turbo (w / PCCB) (997) 07- 08 Disc type: two-piece Fitting side: rear High performance braking sets for road and track use.Patented StopTech Aerorotors brake discs for optimized airflow.Patented bell, made of solid aluminum, increasing airflow.St opTech calipers with ultra-high stiffness with patented adapters simplifying assembly.Brake hoses in Steel StopTech for better feel of the brake pedal.All installation accessories for assembly.Components manufactured in the USA.Full ISO / TS 16949: 2009. certification.Application list : PORSCHE 911 GT2 (997) 08-09PORSCHE 911 GT3 (997) 07-09PORSCHE 911 GT3 (997) 10-10PORSCHE 911 GT3 (w / PCCB) (997) 07-09PORSCHE 911 GT3RS (w / PCCB) (997) 07 -09PORSCHE 911 Turbo (997) 07-08PORSCHE 911 Turbo (w / PCCB) (997) 07-08Disc type: two-pieceFitting Position: rear