Equip your semi to be Ready for the Road Ahead™, with the Bendix Remanufactured QR-1® Quick Release Valve, a crucial device that rapidly releases air brake pressure. Due to its sophisticated design, this replacement valve is able to quickly release compressed air from the brake chambers into the brake shoes, allowing vehicles and trailers to stop or slow as needed. Constructed with top-tier materials to tolerate extreme conditions. FleetPride is your First Click in Heavy Duty®.