Brembo 1T3.9017A5 GT Big Brake Kit

The Brembo 1T3.9017A5 is a high-performance GT Big Brake Kit engineered for drivers who demand superior stopping power, fade resistance, and consistent brake feel under demanding conditions. Brembo's GT series kits are among the most respected upgrades in the performance and motorsport communities, combining race-proven technology with street-legal reliability.

Brembo GT Big Brake Kits are built around cross-drilled and slotted rotors paired with multi-piston monobloc or opposed-piston calipers machined from high-strength aluminum billet. The result is a dramatic increase in swept rotor area, clamping force, and thermal capacity compared to stock OEM brake systems.

Key Features:

• Brembo-engineered multi-piston performance caliper for increased clamping force
• Cross-drilled and slotted rotors for improved heat dissipation and gas evacuation
• High-temperature brake pads included for immediate out-of-box performance
• Precision-machined aluminum caliper brackets ensure proper fitment and alignment
• Stainless steel braided brake lines for improved pedal feel and response
• Corrosion-resistant caliper finish for long-lasting appearance
• Designed to meet or exceed OEM safety and performance standards

Brembo is a globally recognized OEM supplier to leading automotive manufacturers and the preferred brake system partner of championship-winning motorsport programs. The GT Big Brake Kit line brings that same engineering excellence to performance street and track-day applications, offering a complete, bolt-on upgrade solution.