Brembo 4K3.9010AX Gran Turismo Big Brake Kit Caliper Upgrade - 4-Piston

The Brembo 4K3.9010AX is a Gran Turismo (GT) Big Brake Kit engineered for drivers who demand superior stopping power and fade resistance beyond the limits of stock brake systems. Brembo's GT kits are trusted by performance enthusiasts and motorsport professionals worldwide, combining race-proven technology with street-legal reliability.

Key Features:

• High-performance 4-piston fixed caliper — delivers consistent, even clamping force for improved pedal feel and modulation
• Cross-drilled and slotted rotor design — promotes rapid heat dissipation and gas evacuation, reducing brake fade under demanding conditions
• Direct-fit bolt-on installation — engineered to mount to factory suspension points without cutting or welding
• Premium Brembo brake pads included — matched to the caliper and rotor for optimized friction performance out of the box
• Anodized caliper finish — resists corrosion and maintains appearance behind the wheel
• Increased rotor diameter — larger swept area provides greater thermal mass and improved stopping distances

Brembo Gran Turismo Big Brake Kits are a complete, ready-to-install upgrade that significantly improves braking performance for high-performance street driving, track days, and competitive motorsport applications. All components are precision-manufactured to Brembo's ISO-certified quality standards.