Wilwood AERO4 Rear Big Brake Kit

Fits Most Chrysler/Dodge 6.4L/5.7L/3.6L (12-15)

Part #: 140-14068

Overview

The Wilwood AERO4 Rear Big Brake Kit is a high-performance upgrade designed to replace the factory rear disc brakes on select Chrysler 300, Dodge Challenger, and Dodge Charger models from 2012 to 2023 equipped with 3.6L V6 or 5.7L Hemi engines and rear-wheel drive. Featuring black powder-coated 4-piston calipers and slotted rotors, this kit enhances braking power, durability, and style while maintaining compatibility with the original equipment parking brake system. It is ideal for enthusiasts seeking improved rear braking performance to complement front big brake upgrades and support larger wheels, tires, and suspension modifications.

Key Features

Engineered for seamless integration and superior stopping power, the Wilwood AERO4 Rear Big Brake Kit offers:

• Four-piston black powder-coated calipers for consistent, high-capacity braking force
• Slotted 14.25-inch rotors that improve heat dissipation and reduce brake fade
• BP-10 compound brake pads optimized for balanced performance and longevity
• Compatibility with the original equipment parking brake assembly for reliable parking brake function
• Designed to match OEM master cylinder output and ABS system requirements
• Radial mount caliper design for enhanced stiffness and improved pedal feel
• Supports wheel diameters of 18 inches or larger to accommodate big wheel setups
• Durable construction suited for both street and performance driving conditions

Construction & Design

The AERO4 Rear Big Brake Kit features precision-engineered components crafted from high-quality materials to ensure strength and reliability. The calipers are finished with a durable black powder coat that resists corrosion and complements aggressive vehicle styling. The rotors are slotted to enhance cooling efficiency and maintain consistent braking performance under demanding conditions. The kit’s design maintains the factory parking brake mechanism, ensuring no compromise in everyday usability while delivering a significant upgrade in braking capability.

Installation & Fitment

This kit is a direct replacement for the factory rear brakes on 2012–2023 Chrysler 300, Dodge Challenger, and Dodge Charger models equipped with 3.6L V6 or 5.7L Hemi engines and rear-wheel drive, excluding all-wheel-drive, 6.4L 392, and 6.2L Hellcat variants. Installation requires no modifications to the OEM parking brake system, preserving its function and reliability. The kit is designed to work seamlessly with the vehicle’s ABS and master cylinder, ensuring proper brake bias and system integration. A minimum wheel diameter of 18 inches is required to accommodate the larger rotors and calipers.

What's Included

• Two Wilwood AERO4 black powder-coated 4-piston rear calipers
• Two 14.25-inch slotted rotors
• BP-10 compound brake pads pre-installed in calipers
• Hardware and brackets for direct bolt-on installation
• Instructions for installation and parking brake integration

Ideal For

This rear big brake kit is perfect for performance enthusiasts and custom vehicle builders who demand enhanced rear braking power and durability. It is especially suited for those upgrading front big brake systems or installing larger wheels and tires on their Chrysler 300, Dodge Challenger, or Dodge Charger. Whether for spirited street driving, occasional track use, or improved safety under heavy braking, the Wilwood AERO4 Rear Big Brake Kit delivers reliable stopping performance with a clean, aggressive appearance.

Wilwood Engineering is a major manufacturer of high-performance disc brake solutions spanning racing, street performance, and specialty OE applications. From big brake kits and calipers to rotors and hydraulic components, Wilwood upgrades are built for stronger stopping power, better heat management, and consistent pedal feel when stock brakes aren’t enough.