Wilwood 140-13666-DR Forged Narrow Superlite 4R Rear Disc Brake Kit

The Wilwood 140-13666-DR Forged Narrow Superlite 4R rear disc brake kit delivers a comprehensive big brake upgrade specifically engineered for 1976-1977 Ford Bronco rear axles with Big Ford New Style flange and bearing configurations. This complete kit replaces factory 11-inch diameter brake systems on vehicles with 3300 GVW ratings, providing dramatically improved stopping power and heat dissipation.

Key Features:

• Forged Narrow Superlite 4R four-piston calipers for superior clamping force and reduced unsprung weight
• Choice of 13-inch or 14-inch two-piece vented rotors for optimized thermal management
• High-performance BP-10 compound brake pads deliver aggressive bite and fade resistance
• Integrated drum-style parking brake assembly with internal shoe system for clean appearance
• Superior static holding power for secure parking on grades
• Engineered to balance with Wilwood front big brake upgrades for the Bronco platform
• Optional caliper finishes and rotor designs available for custom builds

This kit provides a complete bolt-on solution with all necessary components for installation. The hidden internal parking brake mechanism maintains a clean, professional appearance while delivering reliable parking brake function. Ideal for enthusiasts upgrading their Bronco's braking system for improved performance, towing capability, or off-road use.