Brake Proportioning Valve

This knob-style proportioning valve enables you to adjust front to rear brake bias with a twist of a knob. Provides up to a 50% reduction. Fitting ports are 1/8" NPT. Valve includes two fittings to adapt to 3/16" SAE brake line. Allows easy adjustment of front to rear brake bias when you have to deal with a  large tire to small tire ratio or when you wish to tune your brake system the way you choose.