9-Inch Power Brake Booster with Bracket, 1-Inch Bore Master Cylinder, Bottom Mount Valve for 4-Wheel Disc and Automatic Transmission Brake Pedal for 1967-1970 Mustang or Cougar

Upgrade your Ford Mustang’s braking system with the LEED Brakes 9-Inch Slimline Power Brake Booster, Master Cylinder, and 4-Wheel Disc Proportioning Valve Combo. This premium power brake booster mounts directly to your Mustang or Mercury Cougar’s factory firewall, making it an excellent factory replacement or an upgrade from manual to power brakes for vehicles equipped with automatic transmissions.

The kit includes a factory-style 1" bore master cylinder and a proportioning valve engineered specifically for 4-wheel disc brake applications. Please note, if converting from manual to power brakes, a power brake pedal is required.

Explore our selection of replacement parts to keep your classic Mustang’s braking system performing at its best.

1967–1970 Ford Mustang or Mercury Cougar 9" Power Brake Booster, Master Cylinder & Disc Valve Highlights

• Master Cylinder Bore Size: 1 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: Single Diaphragm
• Brake Booster Diameter (in): 9 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Black
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Yes
• Quantity: Kit
• Brake Pedal Included: Yes
• Brake Pedal Type: Automatic Transmission

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.

Click here to learn more about why LEED Brakes has added this warning to their products.