8-Inch Zinc Dual Power Brake Booster with 1-1/8 Inch Bore Master Cylinder and Side-Mount Valve for Disc/Disc Brakes on 1967-1972 Chevrolet C10 or GMC

Upgrade your 1967–1972 Chevrolet C10 or GMC truck with this 8" Dual Diaphragm zinc-plated power brake booster kit from LEED Brakes, complete with master cylinder and disc/disc proportioning valve. This high-quality power booster is hand-polished before a durable yellow zinc finish is applied, delivering excellent corrosion resistance and a clean, factory-style appearance. The black powder-coated mount and pushrod assembly provide a direct fit to your factory firewall for an easy, bolt-on installation.

Included in this kit is a 1-1/8" bore dual master cylinder and proportioning valve engineered specifically for 4-wheel disc brake applications. This complete system is designed to provide consistent, reliable braking performance for your classic Chevrolet or GMC truck.

8" Zinc Dual Diaphragm Power Brake Booster with 1-1/8" Bore Master Cylinder & Side-Mount Valve for 1967–1972 Chevrolet C10 or GMC – 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

Trust LEED Brakes for high-quality braking solutions engineered for performance, safety, and a proper direct-fit installation.

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.