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DBA 4000 Series T3 Variant:

DBA’s 4000 Series T3 is the ultimate in direct replacement single-piece performance brake rotor. Featuring all the benefits of the 4000 Series plus DBA’s patented world renowned T3 bi-directional slot design.

Built on the foundations of DBA’s T2 slot, the T3 slot design features additional, precise, CNC machined tri-symmetrical slots, resulting in an even quieter, more responsive and smoother brake pedal feel. The T3 slot increases the number of exit points for brake pad friction dust and gases to escape through, further increasing the consistency and effectiveness of every brake stop.

DBA’s revolutionary universal slot design eliminates the need for separate left and right slot designs seen in traditional rotor designs.

DBA’s 4000 Series T3 rotors are recommended for all performance applications from street driving, 4×4 and SUV, light utility vehicles, track days, rally cars and armoured vehicles.


  • Front and Rear discs are different - please select the correct disc when ordering.
  • Discs are sold individually, For a pair please order 2.
  • T3 rotors are denoted by the suffix (S) in 4000 Series part numbers.


Direct replacement suitability.
Moisture proof corrosion protection packaging.
T3 Slot 48 precision CNC machined slots.
  • Tri-Symmetrical curve slots dampens the vibration harmonics or noise.
  • Increased number of out-gassing exit points for brake pad friction gasses to escape through.
  • Universal slot design.
  • A quieter, responsive and smoother brake pedal feel.
  • Increases the consistency and effectiveness of every brake stop.
  • Eliminates the need for left and right discs.
XG150 High Carbon Alloyed Iron.
  • An increased thermal capacity property allows the rotor to handle constant extremes of heat over extended periods of time.
  • Special formulation designed to respond to DBA’s TSP process.
  • Prolongs the service life of the disc rotor.
Kangaroo Paw – 144 diamond and teardrop pillar ventilation system.
  • Increased surface area resulting in greater heat dissipation.
  • Increased surface area resulting in greater heat dissipation.
  • Minimises brake fade and increases braking effectiveness.
  • Prolongs service life for both pads and rotors.
  • Reduces mechanical damage and associated costs.
Thermal Stability Profiling (TSP).
  • Stabilises the natural rotor stresses by realigning the microstructure of the iron.
  • Minimises warping and cracking and prolongs the service life of the rotor.
Thermo-graphic paint markings (THGP).
  • Heat paint markings change colour at specific temperature thresholds.
  • When temperature thresholds are exceeded paint markings will permanently change colour.
  • Offers the driver a clear indication of peak braking temperatures.
  • Allows the driver to monitor rotor fatigue and decide on rotor replacement and to assist resellers with warranty claims.