This valve is also call a combination valve, as it performs all of the necessary valving functions with a disc drum brake conversion. These functions include the following Brake Booster Features - Residual Pressure: Drum Brakes require residual pressure of 10 lbs.
![Evaporator Coil 1968-1971 Ford Torino,Ranchero, & Fairlane [10-1329]](https://images.buynet.work/thumb.php?i=363507430&s=240)
