Check the listing for details. Black Disc Disc Brake Proportioning Valve Bottom Mount Bracket w/ Lines Kit. Condition: New. Listed at 56.69 USD. Black Disc Disc Brake Proportioning Valve Bottom Mount Bracket w/ Lines Kit Description:Black Disc Disc Brake Proportioning Valve and Bottom Mount Bracket with Lines Kit for universal applications having a master cylinder with 9/16" and 1/2" ports and disc brakes in front and rear.This quality Disc Disc Bottom Mount Proportioning Valve Kit is the perfect compliment to your disc/disc brake setup and is ideal for confined spaces or down on the frame. This proportioning valve (also known as a combination valve) helps proportion the amount of pressure sent to the front and rear brakes, helping prevent rear lock-up. Kit Features:BLACK Disc / Disc Proportioning ValveBLACK Coated Bottom Mount Proportioning Valve Bracket 2) Steel Pre-Bent Lines with 9/16" & 1/2" fittings on each endDesigned to mount below master cylinderMounting Hardware includedThis valve performs all of the necessary valving functions with a disc brake conversion. Note: If you only have one port coming out of your proportioning valve for the front brakes; you will have to block off one of the ports on this valve. Some vehicles have front left and right independent lines going to the front calipers and some vehicles have only one line coming from the proportioning valve that gets plumbed to a "T" then distributes fluid to front left and right calipers. Package includes: As shown in our pictures Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included)