Disc Drum Classic Brake Proportioning Valve, Professional Disc Front Drum Rear Brake, High Performance Front Drum Rear Brake Brass for Specific Car Model OEM 1721350 (Electroplated Aluminum)

Specification:Item Type: Proportional ValveMaterial: ABS + MetalOEM: 172-1350 172-1353 172-2187 172-2174 172-1364 172-1363 172-2215The valve has 9/16in-18 connection for Rear Brakes and Dual 3/8in-24 ports for the front brakes. The connections from the Master Cylinder are 1/2in-20 and 7/16in-24.Package List:1 × Proportional Valve

• FITMENT: Designed to fit 1978 1987 full size trucks with disc brakes in the front and drum brakes in the rear, including 2WD, 4WD, 1/2 ton, 3/4 ton, and 1 ton model. It also fits P30 chassis frames, ensuring broad compatibility with classic truck setups.
• OEM NUMBER: This proportioning valve is compatible with part numbers 172 1350, 172 1353, 172 2187, 172 2174, 172 1364, 172 1363, and 172 2215. Make sure to verify the part number of your existing valve to ensure proper fitment for your vehicle.
• HIGH PERFORMANCE: The proportioning valve facilitates smooth fluid transfer between the master cylinder and brake system. It also incorporates a pressure valve, ensuring consistent braking performance for enhanced vehicle safety during maneuver.
• 5 PORT VALVE: Equipped with multiple ports, this valve includes a 9/16in 18 port for the rear brakes and dual 3/8in 24 ports for the front brakes. The valve’s connections support 1/2in 20 and 7/16in 24 master cylinder fittings and can be mounted in left, right, or bottom positions for flexible installation.
• DIRECT REPLACEMENT: This proportioning valve is a direct replacement for your current valve, requiring no modifications or cutting of wires. It includes the correct switch, making it easy to install and restore your braking system to its original performance level.