Brembo 4K3.8025A PISTA Racing Brake Discs - 4 TY3 2-Piece 345mm Rear

The Brembo 4K3.8025A PISTA 4 TY3 is a high-performance 2-piece racing brake disc designed for rear axle applications. Part of Brembo's renowned PISTA racing line, this disc delivers exceptional stopping power and thermal management for track and competition use.

Key Specifications:

• Disc diameter: 345mm (13.6 inches)
• Disc thickness: 28mm
• Bell mounting pattern: 54mm PCD (Type A configuration)
• 2-piece construction with separate bell and rotor ring
• TY3 design for optimized thermal performance
• Rear axle application

Performance Features:

• 2-piece design reduces unsprung weight while maintaining structural rigidity
• Floating rotor design allows for thermal expansion without warping
• High-carbon cast iron rotor material for consistent friction characteristics
• Aluminum bell reduces overall assembly weight
• Purpose-built for racing and high-performance track applications

Brembo PISTA brake discs are engineered to withstand the extreme temperatures and demanding conditions of motorsport competition. The 2-piece construction allows for easy rotor ring replacement without replacing the entire assembly, making these discs a cost-effective choice for serious racers. Compatible with Brembo racing calipers and custom big brake applications.