The Bendix 53 psi 1/4"-18 NPT Control Port Synchronizing Valve is designed to provide accurate control of fluid or gas flow and requires minimal maintenance to reduce downtime. The inlet and exhaust opening pressures are carefully calibrated to ensure reliable and consistent performance. This valve is designed with a supply port, exhaust port with a breather and two mounting holes. This valve is ideal for maintaining balanced air pressure across the brake system. FleetPride is your First Click in Heavy Duty®.