The MGM Brakes 3226 Series 3" Stroke Brake Chamber is designed to provide superior performance and reliability in the most demanding applications. This brake chamber features a 3" stroke, return spring with an epoxy coating for tamper resistance, weather seal plug for protection against the elements, heavy duty power spring for maximum braking power and adjustable stroke for precise control. This brake chamber is ideal for heavy duty applications such as truck and trailer brakes and is designed to provide reliable and consistent braking performance. FleetPride is your First Click in Heavy Duty®.