Product Details: The MGM Brakes Long Stroke Service Brake Chamber is designed to provide reliable performance over a long service life. This brake chamber is manufactured with high-quality materials for durability and longevity. It features an epoxy-coated formed steel pressure cap and diaphragms with heavy duty nylon reinforcement for superior strength and durability. The long stroke design allows for increased braking power and improved braking response. FleetPride is your First Click in Heavy Duty®.