This is a new 7" Single Diaphragm Power Brake Booster and a new Cast Iron Master Cylinder for 1964-66 Ford Mustang with Automatic Transmission. 

This quality kit includes firewall brackets and two different pedal rods to make this a direct bolt on to your firewall and factory brake pedal in 1964-66 Mustangs with automatic transmissions. 

• For Disc/Drum, Disc/Disc, and Drum/Drum Applications.

Master Cylinder Features:

• Dual Reservoirs
• 9/16-18 & 1/2-20 ports on each side
• Plugs for ports that you don't use.