| DBA - Disc Brakes Australia EuroCupGT Design for Porsche Cars DBAs 4000 series performance rotor features unique EuroCupGT Cross Drilled Wiper Slot design to efficiently clear the gases, dust & debris, resulting in a cleaner disc surface for better braking while maintaining maximum friction. -------------------------------------------------------------------------------- DBAs high-series enhanced performance rotor features Thermal Stability Profiling for improved heat handling, Thermo-Graphic paint markings for effective heat monitoring & Kangaroo Paw ventilation which runs cooler, stronger and outperforms traditional straight vane disc rotors by up to 20%. The EuroCupGT Cross Drilled Wiper Slot 5000 series rotors are designed for the serious street driver. These 5000 series 2-piece ultra-high performance rotors feature aerospace grade materials (Alumalite) for added thermal (heat) protection to your vehicle's wheel bearings, by providing greater resistance to distorion as it allows the disc to expand uniformly. | ![]() |