Proportioning / Combo Valves. Chevy Truck Proportioning Valve for Disc/Disc. If you've converted your rear drum brakes to disc, then you need to change the valve to get the proper brake bias from front to rear.
New Brake Proportioning Valve For GMC Chevy Truck C/K 1500 2500 3500 1989-1994
Disc/Drum Brake Proportioning Valve for 1982-1993 GMC Chevy Truck 172-2215
New Brake Proportioning Valve For 1989-1994 GMC Chevy Truck C/K 1500 2500 3500
For 1989-1994 GMC Chevy Truck C/K 1500 2500 3500 Brake Proportioning Valve NEW
Brake Proportioning Valve For 1989-1994 GMC Chevy Truck C/K 1500 2500 3500 New
For 89-94 GMC Chevy Truck C/K 1500 2500 Right Brake Proportioning Valve 15606198
