Brembo 4K3.8029AZ GT Big Brake Kit Performance Upgrade - 4-Piston

The Brembo 4K3.8029AZ is a GT-series Big Brake Kit (BBK) engineered to deliver race-inspired stopping power for high-performance street and track applications. Brembo's GT Big Brake Kits are purpose-built to substantially improve braking performance over factory brake systems, offering greater thermal capacity, reduced brake fade, and enhanced pedal feel.

Brembo GT Big Brake Kit System Features:

• Multi-piston calipers – Fixed-mount, aluminum construction for rigid, consistent clamping force
• High-performance brake pads – Brembo GT-spec pads included for immediate use
• Advanced rotor design – Engineered for high thermal resistance to reduce brake fade under repeated heavy braking
• Stainless steel braided brake lines – Provide firmer pedal feel and improved brake modulation
• CNC billet caliper adapters – Precision-machined for proper fitment and alignment
• Complete hardware kit – All necessary mounting hardware included for installation

Brembo GT Big Brake Kits are developed using over 50 years of motorsport engineering expertise, ensuring components meet demanding performance standards both on the street and on the track. The 4K3.8029AZ is part of Brembo's Gran Turismo (GT) system lineup, which upgrades the entire corner brake assembly for a significant improvement over OEM braking systems.