Proportioning Valve Aluminum Copper Replacement Disc Drum Brake Valve for Chevrolet GMC 1978-1987 Trucks

Description: Type: Disc Drum brakes Proportioning Valve Fitment: for Chevrolet and for GMC all 1978-1987 full size trucks, with disc brakes in front and drum brakes in rear. 2WD and 4WD, 1/2 ton, 3/4 ton, 1 ton! Even P30 chassis frame. Features:This brake valve is a 5 port valve and can be left, right or bottom mounted. Valve has 9/16"-18 ported rear brakes and dual 3/8"-24 ported front brakes. Connections from the master cylinder are 1/2"-20 and 7/16"-24. Material: High quality aluminum copper material, wear resistant, sturdy and durable. Quality: Professional manufacturing, stable performance, has a long service life. Specification: Material: Copper Size Chart: 17cm/6.69inch Package Includes: 1 Piece Brake Proportioning Valve Note: Please allow slightly errors due to manual measurement and different monitors.