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The DBA 4000 Series plain rotor for 2004–2013 Mazda 3 front applications is a direct-replacement rotor cast from XG-150 high-carbon alloy iron and processed with Thermal Stability Profiling. Its Kangaroo Paw ventilation employs 144 diamond and teardrop pillars to expand surface area and cooling efficiency, delivering up to 30% more surface area and around 20% improved cooling compared to straight vane designs. The HD option offers a smooth OE-style finish.
DBA 04-13 Mazda 3 Front 4000 Series Plain Rotor
