Master Power Brake Booster Conversion Kit Dual Bowl With 1-1/8" Bore Automatic Transmission Mustang 1965-1966
Highlights
- 9" Single Diaphragm Booster
- 1-1/8" Bore Master Cylinder
- For Use On Auto Models Only
- For Disk/Drum, Disk/Disk Only
Master Power Dual Bowl Power Brake Booster Conversion Kit with a 1-1/8" Bore for 1965-1966 Mustangs with an Automatic Transmission.
Are you ready to upgrade from manual brakes to power brakes in your 1965-1966 Mustang? Thankfully, CJ Pony Parts has you covered with this easy-to-install Master Power Dual Bowl Power Brake Booster Conversion Kit with a 1-1/8" Bore!
Features & Benefits:
- Makes Converting from Manual Brakes to Power Brakes Easier
- Includes All Necessary Components to Make Changeover in Simple Bolt-In Package
- Takes All the Guesswork Out of Converting Brakes
- Great Weekend Project and Upgrade
- 9" Single Diaphragm Brake Booster
- 1-1/8" Bore Master Cylinder
- Push Rod with Pedal Attachment
- Intake Manifold Fitting
- Includes Firewall Mounting Brackets and Hardware
- Includes 3' of 11/32" Vacuum Hose
- Combine with Disc Brakes for Nice, Easy Pedal Feel and More Enjoyable Driving Experience
This Master Power (BM15204-2) Dual Bowl Power Brake Booster Conversion Kit with a 1-1/8" Bore makes converting from manual brakes to power brakes that much easier! You’ll get all of the components you need to make this changeover in a simple bolt-in package, and it’ll take all of the guesswork out of converting your brakes. This is an excellent weekend project and upgrade for your vintage Mustang! This kit comes with a 9" single diaphragm brake booster and a 1-1/8" bore master cylinder, along with firewall mounting brackets, hardware and more. Combine this kit with disc brakes to get a nice and easy pedal feel and a more enjoyable driving experience!
Please Note: This conversion kit can be used with Disc/Drum and Disc/Disc brake applications.
*Due to master cylinder bore size, this kit is not recommended for a four-wheel drum (drum/drum) brake application.
*For use with automatic transmissions only, brake booster will not clear z bar linkage.
*Requires dual bowl conversion lines when replacing a single bowl master cylinder.
Tech Tip: Always test the brakes in a safe area before driving. If the pedal is spongy, re-bleed the system and try again.
Order a Master Power (BM15204-2) Dual Bowl Power Brake Booster Conversion Kit with a 1-1/8" Bore for your 1965-1966 Mustang with an Automatic Transmission from CJ Pony Parts today!
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Brakes, Mustang Power Brake Conversion Kits, Restomod Parts, Restomod Brakes
Installation Difficulty

Intermediate skill is required for this installation.