24 May 172-2069 Brake Proportioning Valve fit for 1989-1994 Chevy GMC Truck C/K 1500 2500 3500 Pickup 15606198 172-2069 Brake Proportioning Valve fit for 1989-1994 Chevy GMC Truck C/K 1500 2500 3500 Pickup 15606198 Share: Facebook Twitter Google Email Pinterest