Brembo 2S2.9015A5 GT Series Big Brake Kit Slotted Rotors Yellow Calipers - Rear 380x28mm 2-Piece 4-Piston BM4

The Brembo 2S2.9015A5 GT Series rear big brake kit delivers professional-grade stopping power with race-inspired styling for high-performance vehicles. This complete brake upgrade features 380x28mm (15.0" x 1.1") two-piece floating rotors paired with Brembo's advanced BM4 monobloc calipers finished in eye-catching yellow.

Advanced BM4 Monobloc Caliper Technology:

• 4-piston fixed monobloc caliper with differential bore sizing for optimal pad pressure distribution
• Innovative 4D casting process with internal fluid channels—no external brake lines for cleaner aesthetics
• Radial-mount design derived from racing technology for increased rigidity and braking torque
• High-performance yellow painted finish with Brembo logo

High-Performance Rotor System:

• 380mm x 28mm (15.0" x 1.1") two-piece floating disc construction
• Type 1 slotted rotor design for improved pad bite and consistent performance
• 48-vane curved vented design for superior heat dissipation
• High-carbon alloy iron with corrosion-resistant plating
• Aluminum alloy bell reduces unsprung weight and improves thermal management
• Floating D-bobbin mounting with anti-rattle springs

Complete Kit Includes:

• Pair of BM4 4-piston monobloc calipers (yellow)
• Two 380x28mm 2-piece slotted rotors
• High-performance brake pads
• Mounting hardware and brackets
• Stainless steel brake lines

Designed for both aggressive street driving and track day use, this GT Series kit provides immediate, decisive braking feel with exceptional fade resistance under repeated hard stops. The oversized rotors and multi-piston calipers deliver significantly more braking torque and thermal capacity compared to stock systems. Rear axle application for trucks, SUVs, and high-performance sedans requiring 15-inch or larger wheels.