Ford F100 Zinc Power Booster 8 Inch Dual Diaphragm with 1-1/8 Inch Bore Master Cylinder

Enhance your 1960–1972 Ford F100 braking performance with this 8" Dual Diaphragm zinc-plated power brake booster kit from LEED Brakes. Each 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 precise, direct fit to your factory firewall for a straightforward installation.

Included in this kit is a 1-1/8" bore master cylinder designed for use with front disc/rear drum or 4-wheel disc brake systems. This complete setup provides a reliable power brake conversion while maintaining proper fitment and factory-style mounting.

The dual bowl master cylinder is constructed from durable cast iron with a natural finish and includes a matching reservoir and cap. The steel booster features a zinc finish for long-term durability. A brake pedal rod extension is included to ensure proper installation.

1960–1972 Ford F100 8" Dual Diaphragm Power Brake Booster Kit – 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
Quantity: Kit

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.