Wilwood 140-13031-D Combination Parking Brake Rear Disc Brake Kit - Drilled

The Wilwood 140-13031-D is a rear disc brake kit built around Wilwood's Combination Parking Brake (CPB) caliper — a dual-function design that uses hydraulic pressure from the master cylinder for normal stopping power, while an integrated internal mechanical lock within the caliper provides reliable parking brake hold. This eliminates the need for traditional drum-style parking brake hardware, making it an ideal solution for front-wheel drive platforms and select rear-wheel drive axles where conventional internal shoe-style parking brakes are not well suited.

Key Features:

• Combination Hydro-Mechanical CPB Calipers — hydraulic service braking with a built-in mechanical parking brake lock for a clean, integrated solution
• 12.19" Diameter One-Piece Rotor Assemblies — oversized rotors with integral aluminum hats for reduced unsprung weight and improved heat dissipation
• 0.81" Rotor Thickness — substantial rotor section for consistent fade resistance under repeated braking
• Drilled Rotor Face — cross-drilled pattern (denoted by the "-D" suffix) aids in gas venting, debris clearing, and heat management
• BP-10 High-Friction Brake Pads — Wilwood's performance compound pads included for immediate installation and optimal bite
• Balanced Brake Performance — engineered to deliver properly matched front-to-rear brake bias, particularly when paired with a Wilwood front big brake upgrade kit

The Wilwood 140-13031-D CPB rear brake kit delivers a complete, performance-engineered solution in a single package. The combination caliper design keeps the installation clean and compact, while the oversized drilled rotors and high-friction pads ensure confident stopping power for spirited street driving and track-day use alike.