Learn the basics behind proportioning valves so you can figure out which 1 would be best for your disc brake system. - Lowrider Magazine ...

This proportioning valve also comes with a pressure switch that can be used to turn your brake lights on when you pressurize the system (i.e. push the pedal).

What is a PCV Valve? Save money on your next oil change by checking your air filter and PCV valve yourself and save unnecessary replacements.

India Business News: The proportioning valve is the part of brake system which adjusts brake distribution pressure to the wheels.