Brembo 4K3.9004AZ Big Brake Kit Upgrade System

Brembo 4K3.9004AZ is a high-performance Big Brake Kit (BBK) from Brembo's renowned Gran Turismo line, engineered for drivers who demand serious stopping power beyond factory brake system capabilities. Brembo Big Brake Kits are the gold standard in aftermarket brake upgrades, trusted by OEM manufacturers and motorsport teams worldwide.

Key Features:

• Brembo-engineered multi-piston caliper design for superior clamping force and consistent brake feel
• Anodized (AZ) finish on calipers for enhanced corrosion resistance and a premium appearance
• High-performance rotors with optimized venting for maximum heat dissipation under heavy braking
• Precision-matched brake pads formulated for performance street and track use
• Direct-fit hardware and mounting brackets included for straightforward installation
• Manufactured to strict tolerances in Brembo's ISO-certified facilities
• Designed to accommodate larger rotor diameters than OEM setups for improved thermal capacity

Brembo Big Brake Kits are a complete, bolt-on solution that delivers dramatically improved brake pedal feel, reduced fade, and shorter stopping distances. Whether used for spirited street driving or occasional track days, the 4K3.9004AZ kit represents a significant upgrade in both performance and aesthetics over stock braking components.