DBA DBA42324S 4000 Series T3 Slotted Brake Disc Rotor

The DBA DBA42324S is a 4000 Series T3 slotted brake disc rotor engineered for drivers who demand upgraded braking performance beyond standard OE levels. The 4000 Series T3 is the ultimate in direct replacement single-piece performance brake rotors, featuring all the benefits of the 4000 Series plus DBA's patented, world-renowned T3 bi-directional slot design.

The T3 bi-directional slot design builds on DBA's T2 slot with 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, further improving the consistency and effectiveness of every brake stop.

Key Features:

• Cast from XG-150 high carbon alloyed iron and undergoing Thermal Stability Profiling (TSP), engineered to handle the increased stress and heat generated under intense braking applications.
• Kangaroo Paw ventilation implements a series of 144 diamond and teardrop patterned pillars, achieving up to a 30% increase in surface area and 20% improvement in cooling efficiency compared to a traditional straight vane design.
• CBN (Cubic Boron Nitride) machine-turned finish minimizes disc thickness variation and the potential for pad knock and resulting premature wear.
• Thermo-Graphic paint markings on the edge of the rotor change color at specific temperature thresholds, allowing quick and easy monitoring of braking performance.
• Symmetrical slotting for universal left/right fitment.
• Heat treatment cycles realign the microstructure of the iron, resulting in increased rotor stability and durability.
• Painted non-friction areas prevent rust and enhance appearance.
• Manufactured to QS-9000 quality standards using premium grade materials with a high iron content and dense metal matrix for long wear and safe, consistent stopping power.

T3 rotors are denoted by the suffix (S) in 4000 Series part numbers. The DBA42324S is a direct-fit, single-piece rotor designed to replace the OEM unit with no modifications required, making it an ideal performance upgrade for spirited street driving and track use alike.