Brembo 4K3.8012A PISTA 4 TY3 2-Piece Rear Brake Discs 345x28mm

The Brembo 4K3.8012A PISTA 4 TY3 represents professional-grade braking performance engineered for track and high-performance street applications. This rear disc brake upgrade features a two-piece floating design that combines lightweight construction with exceptional heat management and consistent performance under extreme conditions.

Key Specifications:

• Disc Diameter: 345mm (13.6 inches)
• Disc Thickness: 28mm
• Hat Offset: 54mm
• 2-piece floating design with aluminum hat and cast iron rotor
• Rear axle application
• PISTA (track-focused) compound and design

Performance Features:

• Two-piece construction reduces unsprung weight for improved handling and suspension response
• Floating rotor design allows thermal expansion without warping or stress
• Enhanced heat dissipation through optimized vane design
• Directional vane pattern maximizes cooling efficiency
• Aluminum center bell reduces weight while maintaining structural integrity
• High-carbon cast iron rotor ring for consistent friction and fade resistance

Brembo's PISTA line is engineered for serious motorsports applications where braking performance is critical. The TY3 design designation indicates specific mounting dimensions and compatibility requirements. The two-piece construction not only saves weight but also allows for rotor replacement without replacing the entire assembly, reducing long-term maintenance costs.

Professional installation is strongly recommended to ensure proper torque specifications and mounting procedures. These discs are designed to work optimally with Brembo calipers and high-performance brake pads suited for track use.