Features a slotted flange mounting makes it a simple bolt on for many OE mounts, Combination proportioning valve substantially simplifies wiring and brake proportioning adjustments on vehicles with custom brake systems, A combination block maintains full isolation between front and rear fluid circuit, Valve and bracket are black E-coated for a performance look and long lasting durability, Stainless steel fluid tubes are precision bent with preinstalled stainless tube nuts for a simple bolt-on installation.