This Wilwood brake proportioning valves is adjustable between 100 and 1,000 psi with the twist of a knob. This valve can also reduce pressure up to 57 percent.
You can adjust brake bias quickly and easily to compensate for changing track conditions, or if required big and little tire combinations.
Wilwood machines each proportioning valve from billet aluminium and gives it a durable anodized finish. Some internal components are constructed from steel for added strength and durability.
This version has a screw adjustment, there is also a lever version available separately.