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: Ventilated Number of holes: 4 Diameter (mm): 258 Height (mm): 44 Thickness (mm): 22 Minimum thickness (mm): 20 Axle application: Front APPLICATION Brand Model Engine Value Power (HP) Yearbook DACIA LOGAN 0.9 TURBO 2015- DACIA LOGAN 1.5 D 2015- DACIA LOGAN 1.6 2015- DACIA LOGAN 1.6 2015- DACIA LOGAN MCV 0.9 TURBO 90 2015- DACIA LOGAN MCV 1.0 75 2017- DACIA LOGAN MCV 1.2 75 2015- DACIA LOGAN MCV 1.2 75 2015- DACIA LOGAN MCV 1.5 D 90 2015-2019 DACIA LOGAN MCV 1.5 D 95 2019- DACIA LOGAN MCV 1.6 2015- DACIA LOGAN MCV 1.6 2015- DACIA SANDERO MK2 0.9 TURBO 2012-2015 DACIA SANDERO MK2 0.9 TURBO 2015 - DACIA SANDERO MK2 1.0 75 2017- DACIA SANDERO MK2 1.2 2012-2015 DACIA SANDERO MK2 1.2 2015- DACIA SANDERO MK2 1.2 2015- DACIA SANDERO MK2 1.5 D 90 2012- DACIA SANDERO MK2 1.5 D 75 2015- DACIA SANDERO MK2 1.5 D 90 2015 -2018 DACIA SANDERO MK2 1.5 D 95 2018- RENAULT CLIO (MK4) 0.9 TURBO 90 2012-2019 RENAULT CLIO (MK4) 0.9 TURBO 90 2012-2019 RENAULT CLIO (MK4) 0.9 TURBO 90 2015-2019 RENAULT CLIO (MK4) 1.2 75 2012-2019 RENAULT CLIO (MK4) 1.2 75 2012-2019 RENAULT CLIO (MK4) 1.2 75 2015-2019 RENAULT CLIO (MK4) 1.2 TURBO 120 2013 -2019 RENAULT CLIO (MK4) 1.2 TURBO 120 2013-2019 RENAULT CLIO (MK4) 1.2 TURBO 120 2015-2019 RENAULT CLIO (MK4) 1.5 D 75 2012-2019 RENAULT CLIO (MK4) 1.5 D 89 2012-2019 RENAULT CLIO (MK4 ) 1.5 D 89 2012-2019 RENAULT CLIO (MK4) 1.5 D 89 2012-2019 RENAULT CLIO (MK4) 1.5 D 75 2012-2019 RENAULT CLIO (MK4) 1.5 D 89 2012-2019 RENAULT CLIO (MK4) 1.5 D 110 2015- 2019 RENAULT CLIO (MK4) 1.5 D 89 2015-2019 RENAULT CLIO (MK4) 1.5 D 75 2015-2019 RENAULT CLIO (MK4) 1.5 D 110 2016-2019 RENAULT CLIO (MK4) 1.5 D 110 2016-2019 RENAULT CLIO (MK4) 1.5 D 110 2016-2019 RENAULT CLIO (MK4) 1.5 D 110 2016-2019 RENAULT TWINGO 0.9 TURBO 89 2014- RENAULT TWINGO 1.0 69 2014- SMART FORFOUR (W453) 0.9 TURBO 90 2014- SMART FORFOUR (W453) BRABUS 0.9 TURBO 109 2014 - SMART FORFOUR (W453) 1.0 71 2014- SMART FORFOUR (W453) ELECTRIC 2017- S MART FORTWO (W453) 0.9 TURBO 89 2014- SMART FORTWO (W453) 0.9 TURBO 89 2014- SMART FORTWO (W453) 0.9 TURBO 89 2014- SMART FORTWO (W453) BRABUS 0.9 TURBO 109 2016- SMART FORTWO (W453) 1.0 71 2014- SMART FORTWO (W453) 1.0 71 2014- SMART FORTWO (W453) 1.0 60 2014- SMART FORTWO (W453) ELECTRIC 2017-