Product Details: With the assurance you are Ready for the Road Ahead, the Bendix 3030 EnduraSure® Standard Stroke Spring Brake Chamber with 7.8" Push Rod successfully eliminates corrosion and part failure with power spring design. This heavy duty truck spring brake chamber replacement has an innovative design with unrivaled durability and long service life for higher cost savings. Engineered to meet all SAE requirements for force output while reducing coil clash, this heavy duty brake chamber is reliable, consistent, and high-performing for your semi truck requires. FleetPride is your First Click in Heavy Duty®.