DBA DBA4910 Series HD Front Vented Disc Brake Rotor - 4000

The DBA DBA4910 is a 4000 Series HD front disc brake rotor engineered by Disc Brakes Australia (DBA) for drivers seeking upgraded braking performance beyond standard OEM levels. The smooth, OE-style rotor finish makes this HD variant a popular choice for drivers who want the performance benefits of the 4000 Series while maintaining a clean, factory-style appearance — including applications in controlled race divisions.

Key Features:

• High Carbon Alloyed Iron Construction: Cast from XG-150 high carbon alloyed iron for superior strength and heat resistance compared to standard-grade rotors
• Thermal Stability Profiling (TSP): DBA's proprietary heat-cycling process relieves internal manufacturing stresses to maximize thermal stability and reduce metal fatigue under intense braking conditions
• Kangaroo Paw Ventilation System: Features 144 diamond and teardrop-patterned pillars that deliver up to a 30% increase in surface area and a 20% improvement in cooling efficiency versus traditional straight-vane designs
• Thermographic Heat Paint Markings: Color-changing paint markings alert drivers when critical temperature thresholds are reached, helping monitor rotor fatigue and guide replacement decisions
• OE-Style HD Finish: Smooth rotor face finish for direct OEM replacement fit with no part number suffix, consistent with DBA's 4000 Series HD designation
• Rust Protection: Non-friction areas are painted to resist corrosion and maintain appearance throughout service life
• Direct Replacement Fitment: Single-piece rotor design for straightforward installation as an OEM replacement upgrade

The DBA 4000 Series HD rotor delivers a meaningful step up from stock braking for spirited street drivers and performance enthusiasts who demand consistent stopping power under sustained or aggressive braking without sacrificing everyday drivability.