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

Upgrade your 1957–1972 Full-Size Ford with this 8" Dual Diaphragm zinc-plated power brake booster kit from LEED Brakes. This high-quality booster is hand-polished before a durable yellow zinc finish is applied, delivering excellent corrosion resistance and a clean, factory-style appearance. The mounting brackets are engineered for a direct fit to your factory firewall for an easy, bolt-on installation.

This kit includes a 1-1/8" bore cast iron master cylinder and adjustable proportioning valve designed for front disc/rear drum brake applications.

Note: This kit converts manual brake vehicles to power brakes. If your vehicle is already equipped with factory power brakes, you must use one of LEED Brakes' Power-to-Power Upgrade Kits.

8" Zinc Dual Diaphragm Power Brake Booster with 1-1/8" Bore Master Cylinder & Disc/Drum Valve for 1957–1972 Full-Size Ford – Key Features:

• Master Cylinder Bore Size: 1-1/8 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: Dual Diaphragm


• Brake Booster Diameter: 8 in.


• Brake Booster Material: Steel


• Brake Booster Finish: Zinc


• Brake Pedal Rod Extension Included: Yes


• Mounting Hardware Included: Uses Original

LEED Brakes Pushrod Measuring Tool PSA Video

All LEED Brakes booster and master cylinder assemblies are preset before shipping. Watch this short video to learn how to properly measure pushrod depth and how to quickly test your measuring tool for accuracy.

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