Stoptech 938.33536 Street Disc Brake Rotor and Pad Kit, Drilled and Disc Brake Rotor Sport Slotted Stoptech 126.44028SR for sale online eBay StopTech Slotted Sport Brake Rotor eBay Disc Brake Rotor Sport Slotted Stoptech 126.66043SL for sale online eBay. StopTech Slotted Sport Rotors are 1 piece direct replacement brake discs for factory brake systems and stock calipers that look great behind your wheels and offer significantly improved braking performance. The unique slotting aids with heat and brake dust dispersal, prevents glazing of the pads, adds bite and improves wet and dry braking performance. Built to last, the black e coating provides protection from corrosion and the high carbon metallurgy (in most applications) offers quieter operation, better crack resistance and increased performance. This Part Fits: Year Make Model Submodel 2001 2006 BMW 330Ci Base 2001 2005 BMW 330i Base 2001 2005 BMW 330xi Base 2006 2008 BMW Z4 Coupe 3. 0si 2006 2008 BMW Z4 Roadster 3. 0si