DBA DBA43050XD-10 4000 Series XD Crossdrilled Dimpled Front Brake Rotor 340mm

The DBA 4000 Series XD is a direct replacement single-piece performance brake rotor cast from XG-150 high carbon alloyed iron and designed for drivers seeking upgraded braking performance beyond standard OE levels. This rotor features a drilled and dimpled design that increases stopping performance for both street and high-performance driving conditions. This specific rotor is engineered for Subaru WRX STI models equipped with Brembo Yellow Spec R 6-pot calipers and 19-inch wheels.

Key Features:

• Kangaroo Paw ventilation system with 144 diamond and teardrop patterned pillars achieves up to 30% increase in surface area and 20% improvement in cooling efficiency
• Tri-symmetrical curve slots dampen vibration for quieter, more responsive and smoother brake pedal feel
• Thermographic Temperature Monitoring paint markings change color at specific temperature thresholds to assist with monitoring braking temperatures and rotor fatigue
• Thermal Stability Profiling (TSP) process handles increased stress and heat generated under intense braking applications
• Cubic Boron Nitride (CBN) machine-turned finish minimizes disc thickness variation and reduces risk of premature wear
• Paint protection on non-friction areas helps reduce corrosion and stops unsightly rust formation
• 340mm outside diameter, 30mm nominal thickness, vented rotor design
• 10 stud/lug hole configuration with 58.02mm center hole diameter

While not recommended for track day use, these rotors are ideal for daily driving and spirited weekend adventures. DBA 4000 Series rotors last on average 3x longer than most competitors.