Wilwood 140-17009-D AERO4 Big Brake Dynamic Rear Electronic Parking Brake Kit with 15" Rotors

The Wilwood AERO4 Big Brake Dynamic Rear Electronic Parking Brake Kit (140-17009-D) delivers the ultimate rear braking upgrade for supercar-grade rear axles, combining massive stopping power with a fully integrated electronic parking brake system — no mechanical cables required.

Key Features:

• AERO4 Four-Piston Calipers — Forged aluminum construction provides exceptional clamping force and heat resistance for high-performance street and track use
• 15" Dynamic Lug Mount Rotors — Oversized two-piece rotor design maximizes swept area for optimized thermal performance and reduced fade
• High-Performance BP Compound Pads — Engineered for balanced, progressive braking that complements front big brake upgrades
• Integrated Electronic Parking Brake (EPB) — Cable-free design uses the EPB caliper to deliver high static holding torque for reliable parking engagement
• Control Unit & Wiring Harness Included — Complete plug-and-play electronics package simplifies installation and system integration
• Multiple Caliper Finish Options — Available in black or red powdercoat to match your build aesthetic
• Multiple Rotor Design Options — Slotted or drilled and slotted rotor configurations to optimize brake performance and style

The 140-17009-D is the black caliper / slotted rotor variant. This kit is engineered to deliver optimized, balanced rear braking performance that is matched to your vehicle's master cylinder output, ABS function, and individual brake bias requirements. The fully integrated electronic parking brake eliminates traditional mechanical cable routing, streamlining the installation process while maintaining proper static holding power.