This is a UNIVERSAL Combination Valve, Disc/Drum brakes, Aluminum; These valves contain a low pressure shut off valve and warning light switch to ensure driver and vehicle safety should your brake system lose hydraulic line pressure. Aftermarket imported master cylinders with built in adjustable proportioning valves DO NOT feature this and could put you and your vehicle at risk. Rackage Include: 1*DRUM BRAKE PV2 .
