Wilwood 140-13677-R Forged Narrow Superlite Rear Disc Brake Kit with Parking Brake - 4R

The Wilwood 140-13677-R Forged Narrow Superlite 4R rear disc brake kit delivers a comprehensive big brake solution for muscle car rear axles requiring integrated parking brake functionality. This complete system combines Wilwood's advanced braking technology with a clean, professional installation that enhances both performance and appearance.

Key Features:

• Forged Narrow Superlite 4R (FNSL4R) four-piston calipers for maximum clamping force and heat dissipation
• Two-piece rotor design in 13-inch or 14-inch diameter for optimized thermal management
• BP-10 compound performance brake pads deliver consistent stopping power and excellent fade resistance
• Internal parking brake shoe system provides superior static holding power with a concealed, factory-like appearance
• Engineered to balance with front big brake upgrades for proportional braking performance
• Multiple caliper finish and rotor design options available for custom styling

This rear disc brake kit is ideal for custom builds, high-performance street machines, and show cars where reliable stopping power and clean aesthetics are equally important. The hidden internal parking brake mechanism eliminates external cables and levers for a streamlined installation that maintains the vehicle's visual appeal while meeting parking brake requirements.