Description
The DBA2028S DBA Street Series Brake Rotor is a high-performance, single-piece T2 slotted disc rotor designed for front axle applications in a range of high-powered vehicles, particularly the Holden Commodore VE and VF V8 models. Manufactured by Disc Brakes Australia (DBA), this rotor is part of the Street Series T2 range, which blends OEM-level fitment with advanced braking technology for enhanced safety, responsiveness, and durability in everyday and spirited driving.
🛞 T2 Slot Technology At the heart of the DBA2028S is DBA’s patented T2 bi-symmetrical slot design, precision CNC-machined to improve brake pad bite, reduce noise, and enhance pedal feel. The slots increase the number of exit points for friction dust and gases, maintaining consistent contact between the pad and rotor surface. This results in:
- Quieter braking performance
- Improved responsiveness
- Reduced brake fade during repeated stops
The rotor also features a CBN (Cubic Boron Nitride) machine-turned finish, which minimizes disc thickness variation and ensures smooth, even pad wear.
⚙️ Technical Specifications
- Diameter: 321mm
- Thickness: 30mm (minimum 28mm)
- Height: 52.2mm
- Centering Diameter: 67.5mm
- Bolt Pattern: 5 holes, 120mm PCD
- Vane Design: Kangaroo Paw ventilation system
- Surface: Slotted
- Weight: Approx. 9.55 kg
The Kangaroo Paw ventilation system features 144 diamond and tear-drop shaped pillars that enhance heat dissipation by up to 20% compared to traditional straight vane rotors. This helps prolong brake life and maintain consistent performance under heavy braking.
🚗 Vehicle Compatibility The DBA2028S is designed for front axle use and suits a variety of Holden vehicles, including:
- Holden Commodore VE & VF V8 (SS, SSV, Calais V, Redline)
- HSV variants such as Clubsport, GTS, and Maloo
In summary, the DBA2028S Street Series T2 Slotted Brake Rotor delivers reliable braking, improved pedal feel, and long-term durability—making it a smart upgrade for Holden owners who demand more from their braking system.




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