Wilwood 140-14262-DR FNSL4R-MC4 Big Brake Rear Axle Disc Brake Kit with Parking Brake

The Wilwood FNSL4R-MC4 Big Brake Rear Axle Kit (140-14262-DR) is a high-performance disc brake conversion engineered for late-model performance and custom vehicles demanding serious stopping power. This kit delivers a complete rear disc brake solution with fully integrated parking brake actuation via the MC4 parking brake assembly, making it an ideal complement to front big brake upgrades.

Key Features:

• FNSL4R Calipers — High-capacity, forged narrow single-piston calipers designed for superior clamping force and heat management
• BP-10 Compound Brake Pads — Performance friction compound engineered for high-temperature stability and consistent bite
• Oversized 12.88" Rotors — Large-diameter rotors increase thermal mass and braking leverage for reduced fade under hard use
• MC4 Parking Brake Assembly — Integrated mechanical parking brake actuation for street-legal compliance and everyday usability
• OE System Compatibility — Matched to OE master cylinder output, ABS system function, and individual vehicle brake bias requirements
• Direct-Mount Rear Axle Fitment — Bolt-on design simplifies installation on compatible rear axle configurations

This kit is specifically designed to complement big wheel, tire, and suspension upgrades on customized vehicles, as well as any application with increased braking requirements. The combination of oversized rotors, high-performance pads, and precision calipers delivers enhanced stopping performance, improved durability, and a high-tech appearance that matches the look of a fully built performance vehicle.