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Important Note:

Brakes are a safety critical part of a motor vehicle. Brake components should be installed by a competent mechanic in a professional manner. Any incorrect installation of brake components can cause a major safety problem or an accident. If you are not a competent and qualified mechanic you should not attempt to install these products, but should take the vehicle to a vehicle dealer or competent automotive mechanic for their installation.


Disc brake pads and rotors are wear items and as such, should be inspected regularly and replaced as necessary. Read More.

The DBA 4000 Series T3 Rotor has a Tri-Symmetrical design for extreme stopping power on the road and the track and complement the looks of any performance car. As with every DBA rotor, the 4000 Series T3 Rotor bolts right onto the vehicle with no mechanical changes needed.

DBA's mid-series, enhanced-performance, slotted rotor features Thermal Stability Profiling (TSP) for improved heat handling and Thermo-Graphic paint markings for effective heat monitoring.

Thermal Stability Profiling

TSP is a proprietary process specifically developed by DBA for improving the performance of disc brake rotors.

Benefits

  • Improved fatigue resistance to minimize surface cracking
  • Reduced rotor fatigue during prolonged heavy braking
  • Quick replacement, minimal "bedding-in" of rotors
Thermo-Graphic Temperature Monitoring

Thermo-Graphic markings are placed on the outer edge of each DBA 4000 series disc rotors and are used to monitor the core temperatures achieved during braking application. The markings change color as the rotor heats up to alert the driver to rotor temperatures that exceed optimum levels.

Initial ColorWhen rotor exceeds this temperature...The color will change to...
458°C
550°C
630°C
Kangaroo Paw

"Kangaroo Paw" is a patented, high-tech disc rotor ventilation system designed and manufactured in Australia by Disc Brakes Australia and available on rotors for select applications. "Kangaroo Paw" technology delivers significantly improved braking performance. Even under extreme braking conditions. Kangaroo Paw rotor designs run cooler, are stronger, and outperform traditional straight-vane disc rotors.

Kangaroo Paw Rotor

The "Kangaroo Paw" design features a series of 144 diamond- and tear drop-shaped pillars and columns individually spaced between the rotor faces.

This system provides two key advantages.

First, is the ability to cool the rotor faster than ever before. As the disc rotor rotates, aerodynamic turbulence around the individual pillars and columns is generated, increasing the force of hot air out from within the internal areas of the rotor.

Second is increased dimensional stability across the disc rotor directly achieved by the individually spaced pillars and columns.

These advantages increase the disc rotor's efficiency by as much as 20% when compared to conventional rotor designs. A 20% increase in disc rotor efficiency directly translates to reduced brake operating temperatures, brake fade, disc rotor stresses, disc thickness variation, run-out and shudder.

All 4000 series rotors also benefit from DBA's "Longlife Slotted" design. The rotors are manufactured to QS-9000 quality standards using premium grade materials with a high iron content and dense metal matrix resulting in long wear and safe, consistent stopping power.

  • Unidirectional slotting (left and right) increases pad bite, reduces fade and delivers exceptional braking performance.
  • Slots continually de-glaze the brake pads improving efficiency and reducing rotor scoring.
  • Slots even out wear across the brake pad faces, increasing the effective contact area and extending rotor life.
  • Slots help dissipate water when driving in poor weather, as well as pump away dust and dirt.
  • Slotting also combats "out-gassing," where gas (from the pad bonding agents) can form a cushion between pad and rotor, greatly reducing braking power.

DBA rotors are chosen as Original Equipment on many vehicles.

⚠ Warning Icon WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Ratings Charts & Reviews DBA 4000 Series T3 Rotor

Consumer Surveys

This brake hasn't received enough consumer feedback to be rated.

Consumer Reviews

  • November 28, 2025

    (Verified Purchase)

    5.0 out of 5

    Big improvement over stock drilled rotors. Definitely a must.

    • Vehicle: 2008 Porsche 911 Carrera Cabriolet

    • Vehicle Miles: 100,000

    • Miles Driven on Product: 1,000

    • Driving Style: Spirited

    • Driving Conditions: Combined Highway/City

    • Pads: Stock

    • Rotors: DBA 4000 Series T3 Rotor

    • Lines: Stock

    • Calipers: Stock

    • Location: HILLSBOROUGH, NJ

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  • November 14, 2025

    (Verified Purchase)

    4.8 out of 5

    The 4000 Series T3 Rotors have been great. I upgraded to C6 Z06 compatible rotors on my C5 Corvette and swapped to Brembo calipers in the front and OEM calipers in the rear. I am running Hawk HPS 5.9 pads all around. Stopping power is great. There is a bit of noise on light braking and some dust when I run them hard. I have participated in several open road racing events this year and have tested them on hard stops from over 150 mph with no noticeable fade. During one event with repeated hard braking from 120+ mph to 90 mph, I noticed a little fade. This is not unexpected with street oriented pads.

    Overall, I am very happy with the DBA rotors and will purchase them again.

    • Vehicle: 2000 Chevrolet Corvette

    • Vehicle Miles: 52,000

    • Miles Driven on Product: 8,000

    • Driving Style: Spirited

    • Driving Conditions: Combined Highway/City

    • Pads: Other

    • Rotors: DBA 4000 Series T3 Rotor

    • Lines: Other

    • Calipers: Other

    • Location: ALBUQUERQUE, NM

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  • March 11, 2025

    (Verified Tire Rack Customer)

    4.2 out of 5

    I use DBA T3 4000 series rotors on just about every car I have that they make a set for. They can take a lot of abuse and have never warped for me. Despite some of the grueling torture I ve put these rotors through. They look great, are slightly lighter than stock for anyone looking to shave weight off of their car, perform well beyond expectations and across all the different kinds of cars I own, have been extremely consistent. The pads I run are a bit hard on rotors but I ve always tried to use these two products together on every car they re both made for and the Ferodo DS2500 pads along with the T3 4000 series rotors are just about the edge of what you can achieve with your stock braking system. The only other parts that I consistently try to use along with these are Castrol SRF Racing Brake fluid, stainless steel lines, and speed bleeders.

    • Vehicle: 2003 Porsche Boxster

    • Vehicle Miles: 100,000

    • Miles Driven on Product: 40,000

    • Driving Style: Spirited

    • Driving Conditions: Track Days

    • Pads: Other

    • Rotors: DBA 4000 Series T3 Rotor

    • Lines: Other

    • Calipers: Stock

    • Location: CORONA, CA

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