9 inch power brake booster with bracket, 1 inch bore master cylinder, bottom mount valve, front disc/rear drum with automatic trans brake pedal

Ford Mustang

New 9" slimline direct fit power brake booster, master cylinder & front disc/ rear drum proportioning valve combo. This top quality Mustang power booster is designed to mount directly to your factory firewall. This master cylinder and booster works great as a factory replacement or as an upgrade from manual to power brakes for vehicles with automatic transmissions. Also included in this kits is a new factory style 1" bore master cylinder and proportioning valve equipped to work with front disc rear drum applications. Note: If switching from manual to power brakes a power brake pedal is required.

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Pricing: $449.95


Upgrade your 1967-1970 Ford Mustang or Mercury Cougar with the new 9" Slimline Direct Fit Power Brake Booster, Master Cylinder, and Front Disc/Rear Drum Proportioning Valve Combo. Designed for a seamless installation, this power brake booster mounts directly to the factory firewall, making it an ideal factory replacement or 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 optimized for front disc rear drum brake applications, ensuring balanced braking and enhanced safety.


This comprehensive braking system upgrade is compatible with various classic Mustang and Mercury Cougar models, enhancing their braking performance significantly. Whether you're restoring a classic or modernizing your vehicle's brake system, this kit offers everything you need for a straightforward upgrade, providing improved safety and reliability on the road.

9" Power Booster, Master Cylinder, Front Disc Rear Drum for 1967-1970 Ford Mustang or Mercury Cougar 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

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Shipping Information

  • Item Requires Shipping
  • 22.0 lbs.
  • W10.5000” x H10.5000” x L18.2500”

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