Wilwood 140-17543-D Forged Narrow Superlite Rear Disc Brake Kit with Parking Brake - 4R

The Wilwood 140-17543-D Forged Narrow Superlite 4R rear disc brake kit delivers a complete big brake solution for muscle car rear axles requiring integrated parking brake functionality. This professional-grade system combines race-proven components with practical street usability for custom builds, show cars, and high-performance street machines.

Key Features:

• Forged Narrow Superlite 4R (FNSL4R) four-piston calipers for consistent clamping force and heat dissipation
• Choice of 13-inch or 14-inch two-piece rotors engineered for optimal thermal management
• BP-10 compound performance brake pads included for aggressive stopping power
• Internal drum-style parking brake system integrated into rotor hat for clean appearance
• Superior static holding power compared to external parking brake mechanisms
• Multiple caliper finish options available to match vehicle aesthetics
• Various rotor designs offered for personalized performance and style

This rear brake kit is designed to provide balanced braking performance when paired with front big brake upgrades, ensuring proper front-to-rear brake bias. The hidden internal shoe parking brake system eliminates external cables and levers for a streamlined installation that maintains the clean lines of custom wheel and brake setups.