4000 Series XD Crossdrilled / Dimpled Front Rotor

• 2018-2021 Subaru | WRX STI

The DBA 4000 Series brake rotor is a direct replacement single-piece front brake rotor for the Subaru WRX STI (2018-2021), designed for drivers seeking upgraded performance braking above and beyond standard OE levels.

• Part Number: 43050XD-10
• Position: Front
• Rotor Type: Cross-Drilled & Dimpled (XD)
• Construction: 1-Piece
• XD non-directional cross-drilled and dimpled design provides additional cooling benefits above the HD spec, along with enhanced sports aesthetics
• The mix of dimples and drilled holes provides enhanced rotor structural support above traditional cross-drilled techniques
• Dual-drilled for 5x100 and 5x114.3 fitments
• XG-150 high carbon alloyed iron and Thermal Stability Profiling (TSP)
• Kangaroo Paw ventilation — 144 diamond and teardrop patterned pillars for increased surface area and cooling efficiency
• Thermo-Graphic paint markings change colour at specific temperature thresholds to monitor braking temperatures
• Direct replacement — no modifications required
• Sold individually

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