Wilwood Dynapro Rear Disc Brake Kit 140-11389-DR with Red 4-Piston Calipers for Big Ford

Upgrade the rear braking performance of your Big Ford application with the Wilwood Dynapro Rear Disc Brake Kit, part number 140-11389-DR. This complete system combines a lightweight aluminum 4-piston caliper with a durable iron rotor to deliver responsive, consistent braking for street, performance, and custom vehicle builds. The caliper features a red powder-coated finish that adds a clean, distinctive appearance while helping protect the aluminum body from corrosion and wear.
The Wilwood Dynapro caliper is engineered for dependable clamping force and smooth brake operation. Its four-piston design promotes even pad loading across the rotor surface, supporting improved pedal feel and predictable braking response. The included drilled and slotted rotor helps manage heat and evacuate gases and debris from the braking interface, making this kit a strong choice for drivers seeking enhanced performance over conventional rear drum or disc brake components.
Designed for New Big Ford applications, the Wilwood 140-11389-DR kit provides the primary components needed for a streamlined rear disc brake conversion or replacement. The system is intended for installation with compatible vehicle, axle, wheel, and brake system components; verify application requirements and clearance before ordering. Wilwood is recognized for precision-engineered braking solutions, and this Dynapro kit brings that performance-focused design to a practical rear brake package.
This kit is supplied as a rear brake system with red aluminum calipers and drilled and slotted iron rotors. It is not air restricted and does not require truck freight shipping. Always follow the manufacturer’s installation procedures and use properly matched brake pads, lines, master cylinder components, and mounting hardware for a safe and complete installation.

Features:

• Brand: Wilwood

• Part Number: 140-11389-DR

• Application: Rear brake system for New Big Ford applications

• Caliper Design: Dynapro 4-piston aluminum caliper

• Rotor Style: Drilled and slotted iron rotor

• Finish: Red powder-coated caliper

• Kit Type: Complete rear disc brake kit

• Performance: Supports consistent clamping force, heat management, and responsive pedal feel