Brembo 103.9003A Gran Turismo Disc Brake Upgrade Kit for OEM Calipers

The Brembo 103.9003A Gran Turismo Disc Upgrade Kit is engineered to enhance your vehicle's braking performance by utilizing larger rotors with your existing OEM calipers. This system increases thermal capacity and brake torque, delivering improved stopping power for high-performance street or track applications. The kit includes all necessary brackets and hardware for seamless integration with your factory calipers.

Key Features:

• Two-piece floating hat and rotor assemblies reduce unsprung and rotating weight while dissipating heat faster
• Available with drilled or slotted disc options up to 16 inches (405mm) for enhanced cooling and performance
• DOT/TÜV approved stainless steel braided brake lines for improved pedal feel and durability
• Includes high-performance Brembo brake pads formulated for aggressive braking
• Floating anti-rattle disc hardware minimizes noise and vibration
• Precision-machined billet aluminum caliper mounting brackets ensure proper alignment
• Fully compatible with ABS and traction control systems
• Many applications include TÜV certification for safety and quality assurance

The Brembo Gran Turismo system represents decades of racing heritage and engineering excellence, providing a direct bolt-on upgrade that delivers professional-grade braking performance. All necessary hardware is included for straightforward installation. Note: Wheel measurement is critical for proper fitment—verify brake clearance before installation.