Wilwood 140-13477 Dynalite Front Big-Brake Kit w/11.30" Rotor for 70-73 Mustang

Vehicle Fitment

• 1970-1973 Ford Mustang (all trims) front axle disc upgrade
• 1970-1973 Mercury Cougar (all trims) front axle disc upgrade

Fitment Notes

• Front disc brake kit for 1970-73 Mustang/Mercury spindle (drum or disc).
• Requires 14" or larger wheels for clearance due to 11.30" rotor.
• Caliper and rotor assembly bolt to factory disc spindle; conversion from drum spindle may require additional parts.
• Ensure proper master cylinder size, proportioning valve and lines updated for disc system.

Features

• Four-piston FDL-M forged aluminum calipers for high clamping force.
• 11.30" x 0.94" one-piece iron rotor with integrated hub for stability and ease of install.
• Kit includes calipers, rotors, brackets, hoses, and hardware for complete upgrade.
• Maintains hub offset of .00" to preserve track width.
• Designed for performance street and light track use with excellent wheel clearance.
• Available in multiple rotor finishes and caliper colors for sporty or show appearance.
• Manufactured by Wilwood -- trusted brake specialist in performance aftermarket.
• Clearance designed to work with 14" wheels -- check installation diagram to confirm fitment.

Specifications

• Part Number: 140-13477
• Series: Classic Series Dynalite Front Brake Kit
• Rotor Diameter: 11.30" (287 mm)
• Rotor Thickness: 0.94" (24 mm)
• Caliper: Forged FDL-M 4-piston (each side)
• Hub Offset: 0.00" (no change to track width)
• Requires Minimum Wheel Size: 14"
• Kit Type: Complete front disc upgrade (calipers, rotors, brackets, hoses, hardware)

Included Components

• 2x Forged FDL-M calipers (left + right)
• 2x 11.30" x 0.94" rotors with hubs
• 2x Mounting brackets compatible with OE spindle
• 2x Stainless braided brake hoses with fittings
• Brake pads pre-installed, hardware and installation instructions

Product Description

The Wilwood 140-13477 Classic Series Dynalite Front Brake Kit is a high-performance front axle braking upgrade built specifically for 1970-1973 Ford Mustangs and Mercury Cougars. With large 11.30" rotors and four-piston forged calipers, this kit significantly improves stopping power, pedal feel and heat management over stock drum or small disc setups.

Designed for direct bolt-on installation to the factory spindle, the kit maintains hub offset and tracks width unchanged. It provides substantial clearance for 14" wheels, making it practical for both street and light track use. Whether you're restoring a classic Mustang or upgrading for performance, this kit offers a complete package from Wilwood -- calipers, rotors, brackets, hoses and all necessary hardware -- so you get a finished solution designed for longevity and high performance.