DBA 4000 Series slotted front rotors for 2012–on Tesla Model S are single-piece replacement rotors built for demanding braking. Cast from XG-150 high-carbon alloyed iron and thermally profiled, they use DBA’s Kangaroo Paw ventilation with 144 diamond and teardrop pillars to increase surface area and cooling. The T3 bi-directional slot design adds the 4000 Series’ slotting benefits for consistent stopping.
DBA 2012+ Tesla Model S Front Slotted 4000 Series Rotor