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9 inch power brake booster with bracket, 1 inch bore master cylinder, Bottom mount valve, disc/drum (Black)

Ford Mustang

New 9" slimline direct-fit power brake booster, master cylinder & disc/drum proportioning valve combo. This top-quality power brake booster is designed to mount directly to your Ford Mustang's factory firewall. This Mustang power brake 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 brake booster kit 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.
Pricing: $389.95


Discover the ultimate braking upgrade with our 9-inch Slimline Power Brake Booster, Master Cylinder, and Disc/Drum Proportioning Valve Combo, designed specifically for seamless integration with your vehicle's factory firewall. This high-quality power brake booster kit offers an ideal solution for Mustang owners seeking either a direct factory replacement or an enhancement from manual to power brakes, specifically for those with automatic transmissions. Included in this comprehensive kit is a new, factory-style 1" bore master cylinder and a proportioning valve tailored for front disc and rear drum brake setups, ensuring optimal performance and safety. Please note, converting from manual to power brakes will require a power brake pedal. 

Key Features Include:

  • 9" Slimline Direct Fit Power Brake Booster for easy installation
  • Factory Style 1" Bore Master Cylinder for reliable performance
  • Disc/Drum Proportioning Valve, perfect for front disc rear drum applications
  • Designed for Mustangs, suitable as a factory replacement or manual to power brake upgrade
  • Includes all necessary mounting hardware for a hassle-free installation

This kit not only enhances your vehicle's braking efficiency but also upgrades its overall safety and performance. The brake booster and master cylinder are crafted from durable materials, with the booster featuring a sleek black finish, ensuring longevity and consistent performance.

Ideal for a range of classic Mustang models from 1967 to 1970, including Mercury Cougar variants, this power brake booster kit is the go-to choice for enthusiasts looking to combine modern braking power with classic vehicle aesthetics. Whether you're restoring a classic or simply aiming to improve your driving experience, this 9-Inch Mustang Power Booster, along with its accompanying master cylinder and proportioning valve, represents the pinnacle of brake upgrade kits.

Upgrade your 1967-1970 Ford Mustang or Mercury Cougar's braking system today with LEED's top-quality 9-inch Power Brake Booster Kit, designed for both ease of installation and superior braking performance. 

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

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