StopTech Sport Slotted Brake Rotors are premium 1-piece direct replacement brake discs for your factory braking system. The 126.44157CSL features a Left Rear Fitment with a specialized Cryogenic treatment for extended rotor life and improved durability. The unique 'Slotted' design aids in the dispersal of heat and brake dust, ensuring consistent stopping power and reducing brake fade. Key features include: Cryogenically treated for permanent stress relief and maximum resistance to warping; Vac-U-Slots for improved wet weather response and gas evacuation; E-Coated finish on non-friction surfaces for superior corrosion protection. This item is sold as a single rotor: Part Number 126.44157CSL (Left Rear).