WILWOOD 140-12275-D Wilwood 140-12275-D Front Brake Kit with FNSL 6R Calipers for 1974-1978 Ford Mustang II

Upgrade the front braking system of your 1974-1978 Ford Mustang II with the Wilwood 140-12275-D Front Brake Kit. Designed around Wilwood’s FNSL 6R braking components, this kit provides a purpose-built solution for enthusiasts seeking dependable braking performance, responsive pedal control, and a clean fit for compatible Mustang II applications. The Wilwood brand is recognized for engineering high-quality performance brake systems for street, strip, and custom vehicle builds.
The FNSL 6R front brake configuration is designed to deliver consistent clamping force and reliable operation during repeated braking events. Its application-specific design helps simplify installation compared with assembling individual brake components, while the complete kit format provides a coordinated foundation for upgrading the vehicle’s original front brakes. Verify suspension, spindle, wheel, and rotor compatibility before installation to ensure proper clearance and fitment.
Wilwood Part Number 140-12275-D is intended for 1974-1978 Ford Mustang II front brake applications. This kit is suitable for restoration projects, street performance vehicles, and custom builds that require a modernized front braking solution. Professional installation is recommended, and all components should be inspected and installed according to Wilwood’s instructions and applicable vehicle safety requirements. The kit is not classified as air restricted or truck freight only, making it suitable for standard shipping handling.

Features:

• Application: Designed for 1974-1978 Ford Mustang II front brake systems

• Caliper Configuration: Wilwood FNSL 6R front braking setup

• Performance Upgrade: Provides responsive pedal control and consistent braking force

• Complete Kit: Coordinates key front brake components for a streamlined upgrade

• Brand: Wilwood

• Part Number: 140-12275-D

• Shipping Classification: Not air restricted and not truck freight only