Wilwood Brake Proportioning valve - Screw Knob Adjustment

This Wilwood brake proportioning valves is adjustable between 100 and 1,000 psi with the twist of a knob and is able to reduce brake line pressure by up to 57 percent. It allows drivers to adjust brake bias quickly and easily to compensate for changing track conditions, or if required big and little tire combinations.Allows for quick and easy adjustment of brake bias from front to backIdeal for changing surface conditionsReduces line pressure up to 57%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.Inlet / Outlet Port Size: 1/8-27 NPT (includes adaptors to 3/8-24 UNF female).