Wilwood 140-9215-DR Forged Narrow Superlite Rear Disc Brake Kit with Parking Brake - 4R

The Wilwood Forged Narrow Superlite 4R rear disc brake kit delivers a comprehensive big brake solution for muscle car and performance vehicle rear axles requiring integrated parking brake functionality. This complete kit combines precision-engineered components to provide balanced, high-performance braking that complements front big brake upgrades on custom builds, show cars, and high-performance street machines.

Key Features:

• Forged Narrow Superlite 4R (FNSL4R) four-piston calipers for consistent, powerful clamping force
• Choice of 13-inch or 14-inch two-piece vented rotors for superior heat dissipation
• High-performance BP-10 compound brake pads included for optimized friction and fade resistance
• Internal drum-style parking brake system provides clean installation with no external hardware
• Superior static holding power for secure parking on inclines
• Available in multiple caliper finishes to match your build aesthetic
• Optional rotor designs allow customization for both style and performance requirements
• Direct bolt-on application for popular muscle car rear axles

This kit is engineered to deliver the stopping power and thermal management needed for aggressive street driving while maintaining the parking brake functionality required for daily use. The forged caliper construction ensures durability under extreme conditions, while the two-piece rotor design reduces unsprung weight and allows for easy rotor replacement without removing the hub assembly.