Brembo 2P3.9045AS GT-S 4-Piston Rear Big Brake Kit 380x28mm Type-3 Slotted Rotors

The Brembo 2P3.9045AS GT-S Series rear big brake kit delivers race-proven stopping power for demanding track and performance driving conditions. This complete rear brake system upgrade features 4-piston cast monobloc calipers, massive 380x28mm (15-inch) 2-piece rotors, and high-performance brake pads engineered specifically for enhanced braking performance.

Advanced 2-Piece Rotor Design:

• 380mm x 28mm Type-3 slotted rotors with curved vane design for superior heat dissipation
• Lightweight aluminum bell attached to cast iron disc reduces unsprung weight
• Proprietary floating bobbin hardware allows thermal expansion without distortion
• Type-3 slotting continuously cleans pad surface and evacuates gases, debris, and water
• Advanced high carbon alloy construction with corrosion-resistant plating

High-Performance Caliper System:

• 4-piston cast monobloc radial mount calipers in hard anodized black finish
• Inner pressure seal with recessed dust boot design for durability
• Stainless steel piston inserts resist heat and corrosion
• Black hard anodized finish provides maximum protection in extreme conditions

This complete axle set arrives pre-assembled with all necessary mounting hardware and stainless steel braided brake lines. Fully compatible with factory master cylinder, ABS, and traction control systems. Professional installation recommended for optimal performance and safety.