Brembo 1N1.8522A5 GT Big Brake Kit 4-Piston Caliper Upgrade System

The Brembo 1N1.8522A5 is a high-performance GT Series Big Brake Kit engineered for drivers who demand superior stopping power beyond what factory brake systems can provide. Brembo's GT kits are trusted by OEM manufacturers and professional motorsports teams worldwide, delivering race-proven braking technology for street and track applications.

This kit features Brembo's signature fixed aluminum monobloc calipers, manufactured from high-strength aluminum alloy for an optimal balance of rigidity and reduced unsprung weight. The calipers are precision-machined and anodized for long-term corrosion resistance.

Key Features:

• Brembo GT Series fixed monobloc caliper design for maximum stiffness and consistent pedal feel
• High-performance cross-drilled and/or slotted rotors for improved heat dissipation and brake bite
• Direct-fit, bolt-on installation using OEM mounting points — no cutting or welding required
• Aluminum caliper construction reduces unsprung weight compared to OEM cast-iron calipers
• Compatible with Brembo performance brake pads for a fully optimized braking system
• Anodized caliper finish for durability and corrosion resistance
• Includes all necessary hardware, brackets, and brake lines for a complete installation

Brembo GT Big Brake Kits are the benchmark in aftermarket brake upgrades, combining decades of Formula 1 and endurance racing expertise with street-legal engineering. The 1N1.8522A5 delivers measurable reductions in stopping distances, improved brake fade resistance under repeated hard braking, and a firm, confidence-inspiring pedal feel.