Allstar Performance Screw Type Brake Bias Valve

This adjustable valve is designed to fit in the brake line and allows a reduction in brake pressure of up to 57% with a simple twist of a knob. It is perfect for altering the bias between the front and rear brakes meaning you can tailor the rear brake effort to suit differing road or track conditions.The inlet / outlet ports are 1/8 NPT. Adaptors are supplied to enable 3/16 copper brake pipe with a 3/8 UNF male fitting to be used.