Turbo Groove automotive brake discs have a widened, arcuate slit that increases the flow of cool air, lowering the temperature of the brake pads and disc, while draining dust, dirt and hot gases better than a straight line, which can rust and become ineffective. Drilled holes remove surface gases when braking from high speed, while not weakening the structure of the disc as in through drilling. TECHNICAL DATA Type: Drilled and Slotted Full / Ventilated: Full Number of holes: 5 Diameter (mm): 245 Height (mm): 59 Thickness (mm): 10 Minimum thickness (mm): 8 Axle application: Rear APPLICATION Brand Model Engine Value Power (KM) Year AUDI 100 2.2 CS 82-86 AUDI 100 2.2 CS 86-89 AUDI 100 2.2 TURBO 86-90 AUDI 100 2.3 CS 83-86 AUDI 100 2.3 CS 86-90 AUDI 100 2.5 TD 89-90 AUDI 200 2.1 79-84 AUDI 200 2.1 TURBO 83-86 AUDI 200 2.1 TURBO 86-88 AUDI 200 2.2 84-85 AUDI 200 2.2 TURBO 85-86 AUDI 200 2.2 TURBO 86-91 AUDI 200 2.3 86-91 AUDI 200 AVANT 2.2 TURBO 85 -86 AUDI 200 AVANT 2.2 TURBO 86-91 AUDI 200 AVANT 2.3 86-91 AUDI QUATTRO WR 2.1 TURBO 200 80-82 AUDI QUATTRO WR 2.1 TURBO 200 82-86 AUDI QUATTRO WR 2.1 TURBO 200 86-87 AUDI QUATTRO MB 2.2 TURBO 200 87-90