The DBA 4000 Series Cross-Drilled Front Rotor for 1997–2004 Porsche Boxster S/S Special Edition uses XG-150 high-carbon alloyed iron and Thermal Stability Profiling for robust heat resistance. The 4000 Series XD non-directional cross-drilled and dimpled design adds cooling advantages and sporty aesthetics while Kangaroo Paw ventilation increases surface area and cooling efficiency compared to straight vane rotors.
DBA 97-04 Porsche Boxster S/S Special Edition Front 4000 Series Cross Drilled Rotor