The DBA 4000 Series slotted rotor for 2013–2015 Lotus Exige front applications is a direct-replacement performance rotor cast from XG-150 high-carbon alloyed iron and processed with Thermal Stability Profiling. It features DBA's T3 bi-directional slot design plus Kangaroo Paw ventilation with 144 pillars, increasing surface area and improving cooling efficiency versus traditional straight-vane rotors.
DBA 13-15 Lotus Exige Front Slotted 4000 Series Rotor