8-Inch Chrome Dual Power Brake Booster with 1-Inch Bore Flat Top Master Cylinder and Disc/Drum Valve for Full-Size Ford

Upgrade your Ford Galaxie or Full-Size Ford with the LEED Brakes 8-Inch Chrome Dual Diaphragm Power Brake Booster Kit. Designed to convert factory manual brake vehicles to power assist, this system delivers improved pedal effort, enhanced braking control, and consistent stopping performance for front disc/rear drum applications. Engineered for proper firewall fitment and hydraulic balance, this kit provides modern braking confidence while maintaining a clean, factory-style appearance.

The 8-inch dual diaphragm booster is hand-polished prior to receiving a durable chrome finish for long-term corrosion resistance and show-quality presentation. Included is a 1-inch bore master cylinder and proportioning valve properly suited for most front disc/rear drum brake systems. Direct-fit mounting brackets align with the factory firewall for straightforward installation.

Ford Galaxie & Full Size Ford 8" Dual Power Brake Booster Kit & Master Cylinder Key Features:

• Master Cylinder Bore Size: 1 inch
• Bowl Design: Dual Bowl
• Master Cylinder Material: Aluminum
• Master Cylinder Finish: Chrome
• Reservoir Included: Yes
• Reservoir Material: Aluminum
• Master Cylinder Cap Included: Yes
• Brake Booster Type: Dual Diaphragm
• Brake Booster Diameter: 8 inches
• Brake Booster Material: Steel
• Brake Booster Finish: Chrome
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit

Note: This kit is designed to convert manual brake cars to power brakes. Vehicles originally equipped with factory power brakes must use a Power-to-Power Upgrade Kit.

LEED Brakes Pushrod Measuring Tool – Proper Brake Booster Installation

All LEED Brakes booster and master cylinder assemblies are preset before shipping. Proper pushrod depth is critical to prevent brake drag and ensure full release. Watch this video to learn how to accurately measure pushrod clearance and verify measuring tool accuracy before installation.

Learn why LEED Brakes adds this warning to their products.