Brembo 4K3.7003AX Gran Turismo Big Brake Kit Cross-Drilled - 4-Piston

Brembo 4K3.7003AX Gran Turismo Big Brake Kit delivers a complete, performance-engineered braking upgrade for drivers demanding superior stopping power on the street or track. As part of Brembo's renowned Gran Turismo (GT) Big Brake Kit lineup, this system represents a full corner brake assembly upgrade engineered using decades of motorsport development.

Key Features:

• 4-Piston Fixed Aluminum Calipers — Machined from billet aluminum for outstanding rigidity and minimal deformation under heavy braking loads
• Cross-Drilled 2-Piece Floating Rotors — Precision cross-drilled finish improves heat dissipation and eliminates brake dust and gases for consistent fade resistance
• 2-Piece Floating Rotor Design — Floating disc assembly handles large temperature swings without warping and reduces unsprung weight for improved suspension dynamics
• High-Performance Brake Pads Included — Specially matched friction compounds included as standard for immediate street or track use
• Stainless Steel Braided Brake Lines — Proprietary Brembo braided hoses provide firm, consistent pedal feel
• CNC Billet Caliper Adapters & Hardware — All necessary mounting hardware and engineered adapters included for a complete bolt-on installation
• Corrosion-Resistant Finish — Caliper coating provides long-term protection against the elements

Brembo's GT Big Brake Kits are designed and tested for both demanding track-day sessions and everyday performance driving. Every component in this kit meets Brembo's rigorous OEM-grade engineering standards — the same standards that supply Formula 1 and MotoGP teams worldwide. The kit is backed by Brembo's two-year warranty against manufacturing defects.