Brembo 4K3.8034AX Gran Turismo Big Brake Kit Caliper Upgrade - 4-Piston

The Brembo 4K3.8034AX Gran Turismo Big Brake Kit delivers race-proven stopping power in a complete, bolt-on upgrade package. Engineered by Brembo — the global leader in high-performance braking systems — this kit is designed for drivers who demand superior fade resistance, improved pedal feel, and dramatically increased braking performance over stock components.

Key Features:

• 4-Piston Monoblock Caliper: Precision-machined aluminum caliper provides increased clamping force and reduced flex compared to OEM sliding calipers
• High-Carbon Slotted Rotor: Brembo's proprietary high-carbon iron formula delivers consistent performance and excellent thermal management under sustained heavy braking
• Complete Axle Kit: Includes all components needed for a full axle installation — calipers, rotors, brake pads, and mounting hardware
• Direct-Fit Design: Engineered to fit within OEM wheel clearances without spacers on compatible applications
• Performance Street/Track Pads Included: Brembo-sourced brake pads pre-bedded for immediate performance out of the box
• Anodized Caliper Finish: Corrosion-resistant anodized finish for long-lasting appearance and durability

Brembo Gran Turismo Big Brake Kits are developed using the same engineering expertise that powers Formula 1, MotoGP, and endurance racing programs worldwide. The 4K3.8034AX is a complete, axle-set solution that eliminates the guesswork of sourcing individual components, ensuring all parts are fully matched and validated to work together as a system.