Front 4000 Series XS Gold Brake Rotor

DBA 42550XS 4000 Series XS Slotted Brake Rotor

The DBA42550XS is part of DBA’s 4000 Series XS range, engineered for high-performance street and track applications. Featuring DBA’s patented Kangaroo Paw ventilation system and XS bi-symmetrical 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 ('93–'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
• XS bi-symmetrical 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 XS
• Type: Slotted
• Material: High-carbon alloyed iro0n
• 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