Outfit your semi to be Ready for the Road Ahead™ with a rapid release of its air brake pressure, with the Power Products QR-1C Type Inline Quick Release Valve. With a 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. Manufactured with top-tier materials to tolerate extreme conditions. FleetPride is your First Click in Heavy Duty®.