Hydraulic Kit - Power Brakes 1964.5-66 Mustang Auto Transmission

Elevate the braking performance of your manual brake vehicle with LEED Brakes’ 1964–66 Mustang 7" Power Brake Booster Kit. This comprehensive kit upgrades a factory single-bowl manual brake system to dual-bowl power brakes, improving safety, drivability, and pedal feel. Designed for automatic transmission vehicles or manual transmission vehicles equipped with an aftermarket cable-style clutch, this kit delivers a factory-style fit and clean installation.

1964–66 Mustang 7" Power Brake Booster Kit Features

• 7" Single Diaphragm Power Brake Booster: Compact design that significantly increases braking assist.
• 1" Dual Bore Master Cylinder: Improved fluid displacement for responsive braking performance.
• Adjustable Proportioning Valve: Allows fine-tuning of rear brake pressure to help prevent rear wheel lockup.

Installation Details

This quick-install kit includes the brake lines required to route from the new master cylinder to your factory three-port distribution block. All components are designed to mount using original factory locations for a clean, factory-style appearance.

Compatibility:
Designed for vehicles with automatic transmissions or manual transmission vehicles equipped with an aftermarket cable-style clutch.

Note: For factory manual transmission vehicles equipped with a factory “Z” bar clutch, use part number FC0042HK.

Vehicle Fitment

Compatible with 1964–1966 Ford Mustangs. This kit maintains the classic appearance of your vehicle while delivering modern braking performance.

Additional Kit Components

• Brake Pedal Rod Extension: Included for proper geometry and fit.
• Mounting Hardware: Uses original mounting points.

1964–66 Mustang 7" Power Brake Booster Kit Specifications

• Master Cylinder Bore Size: 1 in
• Bowl Design: Dual Bowl
• Master Cylinder Material: Cast Iron
• Master Cylinder Finish: Natural
• Reservoir Included: Yes
• Reservoir Material: Cast Iron
• Master Cylinder Cap Included: Yes
• Brake Booster Type: Single Diaphragm
• Brake Booster Diameter: 7 in
• Brake Booster Material: Steel
• Brake Booster Finish: Zinc
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit
• Notes: Automatic transmission vehicles only

See what’s included in this kit in the video below.

Learn more about why LEED Brakes has added this warning to their products.