71-77 Disc Brake Proportioning Combination Block Valve Switch Brass Cast Lead

Prop Proportioning Valve Brake Warning Switch Pigtail Wire Connector PV-2 PV-4

GM PROPORTIONING PROP VALVE CHROME SWITCH SHOW COVER 172-1353 172-1361

GM DISC DRUM BRAKE PROPORTIONING VALVE METERING VALVE ASSEMBLY REPLACEMENT

GM DISC DRUM BRAKE PROPORTIONING VALVE REAR PRESSURE RELIEF VALVE REPLACEMENT

Brass Disc Brake Proportioning Combination Valve - Universal Ford Chevy Style

78-88 Disc Brake Proportioning Combo Brass Cast Iron Valve Plastic Lead Switch

PV2 Brake Proportioning Valve Disc/Drum, Disc Front Drum Rear Brake