Front 4000 Series T3 Brake Rotor

DBA 42550S 4000 Series T2 Slotted Brake Rotor

The DBA42550S is part of DBA’s 4000 Series range, engineered for high-performance street and track applications. Featuring DBA’s patented Kangaroo Paw ventilation system and T2 slot design, this rotor provides improved heat dissipation, consistent pedal feel, and reduced fade under demanding conditions.

Sold Individually: This listing is for one (1) brake rotor. Purchase two rotors for a complete axle replacement.

Vehicle Fitment

• Mazda RX-8 (2004–2011) – Sport Suspension Models
• Mazda RX-7 FD3S ('92–'02) – Rear Standard Performance BBK (Ligma Performance / OSC Bracket System)

For FD3S applications, this rotor is designed specifically for use with our Rear Standard Performance Big Brake Kit configuration.

Key Features

• DBA 4000 Series high-carbon alloyed iron casting
• T2 slot design for improved pad bite and gas evacuation
• Kangaroo Paw internal ventilation system
• Thermal Stability Profiling (TSP)
• Painted non-friction areas for corrosion resistance

Performance Benefits

• Improved heat dissipation under repeated heavy braking
• Reduced brake fade
• Enhanced pad bite and consistent pedal response
• Extended rotor life compared to standard replacement rotors

Specifications

• Series: 4000 Series
• Type: T2 Slotted
• Material: High-carbon alloyed iron
• Rotor Diameter: 323mm (12.72")
• Direct OE replacement fitment for RX-8 Sport Suspension

Important Information

• This listing is for one rotor
• Confirm vehicle and suspension configuration before ordering
• Professional installation recommended