Wilwood 140-18162-D AERO4 Big Brake Rear Disc/Drum Brake Kit 14.00" Rotor 6-Lug SRP

The Wilwood 140-18162-D is an AERO4 Big Brake Rear Axle Kit designed as a direct-fit disc brake upgrade for 1971–1991 Blazer applications with a 6-lug bolt pattern. This kit retains the factory OE parking brake assembly, making it a seamless complement to front big brake upgrades on high-performance and custom street builds.

Key Features:

• AERO4 Radial Mount Calipers — Four-piston forged aluminum calipers deliver high-capacity braking force with a rigid, leak-resistant design
• 14.00" Vented Two-Piece Rotors (SRP) — Oversized slotted and drilled rotors provide improved heat dissipation and bite, finished with a corrosion-resistant coating
• High-Friction BP Compound Brake Pads — Engineered for aggressive street and performance use, matched to OE master cylinder output and ABS compatibility
• OE Parking Brake Integration — Internal drum-style shoe mechanism integrates cleanly within the rotor hat for a factory-clean appearance and reliable static holding power
• 6-Lug Bolt Pattern — Designed specifically for 6-lug rear axle configurations
• Balanced Brake Bias — Rotor and caliper sizing is matched to factory master cylinder output and individual vehicle brake bias requirements

Wilwood's AERO4 rear brake kit delivers enhanced stopping performance, increased thermal durability, and an aggressive high-tech appearance to complement big wheel, tire, and suspension upgrades on custom builds and high-demand street vehicles. The kit is engineered to work in harmony with front big brake upgrades for a fully balanced braking system.