Wilwood 140-16861 TX4R Rear Big Brake Kit 15.50" Rotor 6-Piston Caliper

Wilwood's Tactical Extreme TX4R Big Brake Kit delivers ultimate braking performance for trucks, SUVs, and armored vehicles demanding extreme-duty stopping power. This rear brake kit features TX4R radial mount six-piston calipers paired with massive 15.50-inch one-piece GTB alloy rotors engineered for consistent performance under sustained high heat conditions.

Key Features:

• TX4R radial mount six-piston calipers for exceptional clamping force and heat dissipation
• 15.50-inch one-piece GTB alloy rotors provide superior thermal stability and durability
• Calipers volume-matched for compatibility with OE power brake system output
• Ready-to-install bolt-on design with radial mount caliper brackets included
• All necessary hardware included for complete installation
• Engineered for extreme-duty applications requiring sustained hard braking

This complete rear brake upgrade kit is designed for vehicles requiring maximum stopping power and fade resistance under demanding conditions. The large diameter rotors and multi-piston calipers deliver professional-grade braking performance while maintaining compatibility with factory brake systems.