LEED Zinc Power Brake Booster Conversion Kit Mustang A/T 65-66 w/ Adjustable Prop Valve/ Dual Bowl Master Cylinder
Highlights
- Optimizes Stopping Power
- Prevents Lockup
- High-Quality, Sturdy Materials
- Uses Original Mounting Pts
LEED Brakes Chrome Power Brake Booster Conversion Kit with an Adjustable Proportioning Valve and Dual Bowl Master Cylinder for 1965-1966 Mustangs with an Automatic Transmission.
This power brake booster conversion kit is a great choice for replacing your 1965-1966 Mustang’s manual brake system. LEED Brakes crafts this zinc-coated brake booster from steel, allowing lasting performance. It comes with an adjustable proportioning valve that prevents lockup. Together, they boost the safety of automatic transmissions. Includes all the hardware and lines needed to connect to your existing brake setup.
Features and Benefits:
- Upgrades single-bowl manual brakes to dual bowl power brakes
- Zinc-finished brake booster built from steel for lasting strength
- Zinc-finished master cylinder built from cast iron for durability
- Adjustable proportioning valve prevents lockup & improves safety
- Includes brake lines to connect master cylinder & 3-port distribution block
- Hardware uses original mounting points for straightforward installation
Kit Includes:
- Dual bowl master cylinder with 1” bore
- Single-diaphragm brake booster with 7” diameter
- Brake pedal rod extension
- Mounting hardware
- Brackets
Additional Notes:
- Works with disc/drum or 4-wheel disc brakes ONLY.
- Kit ONLY works with applications with an automatic transmission or manual shift cars equipped with an aftermarket cable-style clutch.
California Residents: Proposition 65 Warning
Related Categories: Restomod Brakes, Mustang Power Brake Boosters
Installation Difficulty

Intermediate skill is required for this installation.












