1964-73 Ford Mustang Master Cylinder & Disc/Drum Valve Kit, 1" Bore | Pirate Jack | MCK7161

1964-73 Ford Mustang, Cougar & Shelby Master Cylinder & Disc/Drum Proportioning Valve Kit (MCK7161)

1964-73 Mustang · Cougar · Shelby · Boss 302 · 1" Bore · Bottom Mount Disc/Drum Valve · Manual or Power · Part # MCK7161

Converting your Mustang to disc brakes? This kit gives you the master cylinder and valve setup to go with it: a new Ford style 1" bore master cylinder and a bottom mount disc/drum proportioning valve, with pre-bent lines to the master already made for you.

The master has 1/2-20" and 3/8-24" ports on the left side only, and a piston adapter lets it work with a power booster or manual brakes. The valve mounts under the master on a zinc bracket, and the mounting hardware is included.

What's Included

• New Ford style 1" bore master cylinder
• Bottom mount disc/drum proportioning valve
• Pre-bent lines to the master cylinder
• Zinc bottom mount bracket
• Mounting hardware

Specifications

Why Buy This Kit

• ✔ Made for the Mustang and a match for most full-size Fords from 1960-70.
• ✔ Matched disc/drum valve with pre-bent lines to the master.
• ✔ Manual or power: the piston adapter covers both.
• ✔ Compact bottom mount keeps the valve tucked under the master.

Fitment

Designed for the Ford Mustang, and it will fit and work on most full-size Fords from 1960-1970. Don't see your car? Contact us before ordering at 866-601-4455.

Before You Order: Please Read

• Disc/Drum only: built for front disc / rear drum brakes.
• Other versions: MCK7161D (disc/disc), MCK7161-A (adjustable valve).

Installation Notes

• ⚠️ Bench bleed the master cylinder before installing it.
• Check the pushrod length and pushrod-to-master-cylinder clearance before final assembly.
• Bleed the entire brake system, then test the brakes at low speed before normal driving.

Free Tech Support

Have a question before or after your purchase? Call our tech team at 866-601-4455.

• Monday-Friday, 8:00 AM - 4:00 PM EST
• Limited weekend availability

Order the MCK7161 Mustang master cylinder & disc/drum valve kit from Pirate Jack today.