Wilwood Forged Dynalite Big Brake FDLI Pro-Series Park Brake Kit for Big Ford New Style 2.50" Offset

The Wilwood Forged Dynalite Big Brake FDLI Pro-Series Park Brake Kit (Part #140-7140) is a rear disc brake upgrade for vehicles with Big Bearing Ford New Style axle flanges. This kit is designed to increase stopping power and improve pedal feel compared to factory brake systems. It includes forged Dynalite calipers (available in standard, polished, or red finishes) and 12.19-inch vented rotors (0.81-inch thick) with a 2.50-inch offset for accurate fitment.

KEY SPECIFICATIONS

- Rotor Diameter: 12.19 inches
- Rotor Thickness: 0.81 inches
- Offset: 2.50 inches
- Application: Big Bearing Ford, New Style axle
- Includes: Bracket kit, retainer bearings, rotors (with options), callipers, shims, hardware, and parking brake assembly
- Excludes: Hydraulic lines, fittings, parking brake cables, and adapter components

INSTALLATION OVERVIEW

Installation of this park brake kit requires an experienced hand. The process includes:
- Removing the rear wheels and drum brake assemblies to access the axle housing flange.
- Cleaning and preparing the mounting surface properly.
- Installing the bracket assembly with the proper torque using red Loctite® 271.
- Aligning the rotor registration adapter on the axle register for proper centring, then carefully mounting the callipers with the correct use of shims.
- Adjusting the parking brake cable as it is routed in a straight line to maintain pull force. After installation, the system must be bled and thoroughly tested to ensure a firm pedal and the absence of leaks or interference.

FITMENT AND COMPATIBILITY

This kit is designed for Big Bearing Ford New Style axle flanges. Make sure that your axle housing flange, stud pattern, and wheel clearance match the kit’s specifications. Important details include an axle center register diameter of 2.80 inches and a maximum axle flange diameter of 6.61 inches with chamfer. OEM axles with 7/16-inch studs may require upgrading to 1/2-inch studs for safe and proper fitment. Any required adjustments or machining should be performed by a qualified professional.