Wilwood 140-13698-DR AERO4 Big Brake Rear Axle Kit with 14" Rotors

The Wilwood AERO4 Big Brake Rear Axle Kit is a complete direct replacement disc brake system designed to replace factory rear disc brakes on late model high-performance vehicles. This kit is engineered to complement front big brake upgrades while retaining the OE parking brake assembly for a complete braking solution.

Key Features:

• W4AR four-piston calipers deliver high-capacity stopping power and thermal management
• Oversized 14.00-inch diameter rotors provide increased thermal mass and fade resistance
• BP-10 compound brake pads offer excellent initial bite and consistent performance
• Matched to OE master cylinder output and ABS function for proper brake bias
• Retains factory parking brake assembly for complete functionality
• Direct bolt-on installation replaces factory rear disc brake system
• Compatible with big wheel, tire, and suspension upgrades

This rear axle brake kit is ideal for street performance vehicles, track-oriented builds, and any application requiring enhanced stopping power and heat dissipation. The AERO4 system provides the durability and braking performance needed for increased vehicle weight, higher speeds, and aggressive driving conditions while maintaining proper brake balance with upgraded front brake systems.