This new Black Out Power Brake Conversion for your 1962 - 1974 Mopar, Dodge, Plymouth, and Chrysler consists of an 8 - inch dual black booster and black Wilwood master cylinder with Wilwood adjustable proportioning valve. (hotrod.com)
For braking, it has frontal disc brakes and a Load Sensing Proportioning Valve (LSPV) braking system for adaptable braking. (motorbeam.com)
The front brakes were converted to discs, the rear drums were rebuilt, and a new Wilwood master cylinder with proportioning valve was installed. (bringatrailer.com)