Baer #2000035 Brake Proportioning Valve, Knob Adjustment, 1/8 in. NPT, Single Inlet/Outlet, Aluminum, Black, Each.
These Baer Brakes knob-type proportioning valves can be installed almost anywhere in the brake lines. These Baer Brakes proportioning valves allow you to tweak brake bias in big or little increments simply by twisting the large adjuster knob as needed. They're black anodized for a long-lasting finish.