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DBA 4000 Series plain front rotor for 2009–2020 Nissan 370Z (standard brakes, iron calipers) is a direct-replacement rotor cast from XG-150 high-carbon alloyed iron and processed with Thermal Stability Profiling to resist repeated heavy braking. It uses DBA's Kangaroo Paw ventilation with 144 diamond and teardrop pillars, increasing surface area up to 30% and improving cooling roughly 20% over straight vane designs. An HD option preserves a smooth OE-style finish for a cleaner look.
DBA 09-20 Nissan 370Z (w/Standard Brakes & Iron Calipers) Front 4000 Series Plain Rotor
