DBA DBA42011 4000 Series HD Rear Brake Rotor

The DBA DBA42011 is a 4000 Series HD direct replacement, single-piece performance brake rotor designed for drivers seeking upgraded braking performance above and beyond standard OE levels. The HD (Heavy Duty) variant features a smooth OE-style rotor finish, making it a popular choice for drivers who want the performance benefits of the 4000 Series while maintaining a factory-correct appearance — ideal for controlled race divisions or daily drivers who prefer a stock look.

Key Features:

• High Carbon Alloyed Iron Construction — Cast from premium XG-150 high carbon alloyed iron for superior strength and heat resistance under intense braking demands
• Thermal Stability Profiling (TSP) — DBA's proprietary heat-cycling process relieves internal manufacturing stresses, maximizing thermal stability and reducing metal fatigue in high-demand applications
• Kangaroo Paw Ventilation — Unique 144-pillar diamond and teardrop vane pattern delivers up to 30% more surface area and 20% improved cooling efficiency over traditional straight-vane designs
• Smooth HD Finish — OE-style plain face surface provides a clean, factory look with the enhanced metallurgy and cooling of the 4000 Series platform
• Rust-Resistant Coating — Non-friction areas are painted to prevent corrosion and enhance long-term appearance
• Temperature Monitoring Paint Markings — Color-changing paint indicators alert you to critical rotor temperature thresholds to monitor braking performance and rotor fatigue
• Direct OE Replacement — Bolt-on fitment with no modifications required

Engineered by Disc Brakes Australia (DBA) — a premier manufacturer of performance aftermarket brake rotors — the DBA42011 delivers the confidence of proven motorsport technology in a street-ready, OE-compatible package.