When running any type of disc brake system on a car you need to remember which proportioning valve you should run. This is very important because the job of a proportioning valve is to distribute the ...

Installing an adjustable brake proportioning valve is more a matter of working with hydraulic brake lines than anything else. It requires patience, some planning, and a few specialized tools. Other ...

Proportioning valves come in all shapes and sizes and vary considerably depending on the car you are working on. But the most common problem you'll face is which valve should be used on which car. To ...