DBA DBA43700XD 4000 Series Cross-Drilled & Dimpled Front Brake Rotor 350mm

The DBA 4000 Series XD Cross-Drilled and Dimpled Brake Rotor is a high-performance direct replacement rotor designed for drivers seeking upgraded braking performance beyond standard OE levels. This single-piece rotor is engineered specifically for demanding applications including performance street cars, track use, and spirited driving conditions.

Advanced Metallurgy and Heat Treatment:

• Cast from XG-150 high carbon alloyed iron for superior heat handling capacity
• Enhanced with Thermal Stability Profiling (TSP), a proprietary heat treatment process that aligns the grain structure at the atomic level to produce uniform material properties
• Delivers exceptional resistance to warping, surface cracking, and thermal fatigue even under extreme heat events
• Provides up to 3x longer service life compared to conventional rotors

XD Cross-Drilled and Dimpled Design:

• Features 84 precision CNC-machined cross-drilled holes and 36 dimples for maximum heat dissipation
• Efficiently removes brake dust, gases, and moisture from the rotor surface
• Dimpled design minimizes the cracking issues commonly associated with traditional drilled rotors while maintaining cooling benefits
• Provides enhanced sports aesthetics with functional performance advantages

Kangaroo Paw Ventilation Technology:

• Incorporates DBA's patented Kangaroo Paw vane design with 144 diamond and teardrop-patterned pillars
• Achieves up to 30% increase in cooling surface area and 20% improvement in cooling efficiency versus traditional straight vane designs
• Provides additional structural support to the friction face for improved stability under heat

Thermographic Heat Paint Monitoring: Each rotor includes three thermographic paint markings that change color at specific temperature thresholds, allowing drivers to monitor peak braking temperatures and optimize pad selection for their driving conditions.

The DBA 4000 Series XD rotor is ideal for performance enthusiasts, weekend track drivers, and anyone demanding consistent, fade-free braking performance under demanding conditions. Compatible with both street and track brake pad compounds.