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The DBA 4000 Series HD plain front rotor for 1997–2004 Porsche Boxster applications is a direct-fit replacement cast from XG-150 high-carbon alloyed iron with Thermal Stability Profiling and Kangaroo Paw ventilation. It pairs improved heat and stress resistance with a smooth OE-style finish preferred in some settings, fitting factory hardware for straightforward replacement while offering the underlying 4000 Series metallurgy benefits over basic rotors.
DBA 97-04 Porsche Boxster 4000 Series Standard Front Rotor
