DBA DBA53148BLKXD Series XD Cross-Drilled Dimpled Brake Rotor Black Hat - 5000 2-Piece

The DBA DBA53148BLKXD is a fully assembled 5000 Series XD 2-piece performance brake rotor featuring a black anodized aluminum hat and a non-directional cross-drilled and dimpled cast iron rotor ring. Engineered for high-performance street and track use, this rotor delivers exceptional thermal management, reduced unsprung weight, and aggressive sport aesthetics.

5000 Series XD Design:

• Cross-Drilled & Dimpled (XD) Finish: Non-directional pattern combining drilled holes and dimples for enhanced cooling and structural support above traditional cross-drill designs
• 2-Piece Fully Assembled Construction: High carbon cast iron rotor ring mated to an aerospace-grade 6061-T6 aluminum hat, secured with National Aerospace Standards (NAS) bolts and crimp nuts
• Black Anodized Aluminum Hat: Corrosion-resistant anodized finish for enhanced appearance and long-term durability
• Kangaroo Paw Venting: Unique internal vane design delivers up to 20% better heat dissipation compared to conventional rotors
• Thermal Stability Profiling (TSP): Proprietary heat treatment process realigns the iron microstructure, reducing internal stress and improving rotor stability under repeated heavy braking
• Thermo-Graphic Heat Paint (TGHP): Color-coded paint markings change at specific temperature thresholds, allowing drivers to monitor braking temperatures and rotor fatigue in real time
• CBN Machine Finish: Cubic Boron Nitride turned surface minimizes disc thickness variation, reducing the potential for pad knock and premature wear
• Replaceable Rings: The 5000 Series design allows the cast iron ring to be replaced independently, keeping the reusable aluminum hat for cost-effective long-term maintenance

Recommended torque for NAS nut and bolt assembly is 13 Nm (9.6 ft-lb). Ideal for performance street driving, track days, club racing, and rally applications.