Prepare your semi to be Ready for the Road Ahead™, with the Haldex T24 Standard Stroke Service Brake Chamber that offers fast and responsive brake pressure. By utilizing a specialized design, this replacement brake chamber is able to react to pressure from the brake pedal by expanding outward, and allowing the pushrod to activate the brakes. Built with solid materials to provide an extensive service life. FleetPride is your First Click in Heavy Duty®.