Brembo GT Series Rear Brake System (2S3.9013A5). High-performance Gran Turismo Big Brake Kit designed specifically for vehicles without factory Carbon Ceramic brakes. This comprehensive upgrade features 4-piston cast aluminum monoblock calipers in a Yellow finish and 380x28mm 2-piece Type 3 Slotted rotors for superior thermal capacity and modulation. Kit includes: 2x 4-Piston Cast Monoblock Calipers (Yellow), 2x 380x28mm 2-Piece Slotted Discs (Type 3), 1x Set of High-Performance Brake Pads, 2x Stainless Steel Braided Brake Lines, and all necessary mounting hardware/brackets.