Brembo 1L3.9003A1 GT Big Brake Kit 380x34mm 2-Piece Slotted Rotors Black Calipers

The Brembo GT Big Brake Kit 1L3.9003A1 delivers professional-grade braking performance with 380x34mm 2-piece slotted rotors and high-performance black calipers. This complete brake system upgrade is engineered specifically for 2001-2004 Porsche 996 C4S and 996 Turbo models (excluding PCCB-equipped vehicles).

Key Features:

• 380mm x 34mm 2-piece floating disc design for superior heat dissipation
• Type-3 slotted rotor pattern optimizes pad bite and reduces brake fade
• High-performance aluminum calipers with black finish for aggressive styling
• Brembo GT 6-piston front caliper design for exceptional stopping power
• Direct bolt-on application with all necessary hardware included
• Full floating rotor design reduces weight and thermal stress

This Brembo GT system provides the ultimate upgrade for track-focused driving and high-performance street use. The 2-piece rotor construction reduces unsprung weight while the slotted design effectively channels heat, gases, and debris away from the pad contact surface. Each kit includes calipers, rotors, high-performance brake pads, stainless steel braided brake lines, and all mounting hardware for a complete installation.

Application Note: Designed for front axle installation on 2001-2004 Porsche 996 Carrera 4S and 996 Turbo models. Not compatible with vehicles originally equipped with Porsche Ceramic Composite Brake (PCCB) systems.