8-Inch Chrome Dual Power Brake Booster with 1-1/8 Inch Bore Flat Top Master Cylinder and Disc/Disc Valve for 1957-1972 Full-Size Ford

Upgrade your classic Full-Size Ford with the LEED Brakes 8-Inch Chrome Dual Diaphragm Power Brake Booster Kit. Designed to convert manual brake vehicles to power brakes, this system delivers increased braking assist, improved pedal feel, and consistent stopping performance while maintaining a clean, show-quality appearance. Ideal for Ford Galaxie and other full-size Ford applications, this kit combines factory-style fitment with modern hydraulic efficiency.

This premium 8" dual diaphragm power booster is hand-polished before receiving a chrome-plated finish for superior durability and appearance. Booster mounting brackets are engineered as a direct fit to the factory firewall for a straightforward installation. The kit also includes a 1-1/8" bore master cylinder and proportioning valve designed to properly balance most 4-wheel disc brake systems.

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

Ford Galaxie Dual Chrome Power Brake Booster, Master Cylinder, Disc Valve Key Highlights:

• Master Cylinder Bore Size: 1-1/8 in
• 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 (in): 8 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Chrome
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: 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.