Product Details: The Goodyear Rolling Lobe Air Spring is the perfect solution for your suspension, as a high-quality air spring. This air bag is designed to provide improved ride comfort and reduced vehicle vibration, making it an ideal choice for long hauls and heavy loads. With a top plate diameter of 9" and a maximum height measurement of 23", this air spring is built to handle even the toughest jobs. It is made in the USA and comes with a bracket for easy installation. This air spring is designed with a plastic bottom plate/piston type and has a top plate center to center diameter of 5.87". It also has a bottom plate measurement of 10" and a minimum height measurement of 6.7". Overall, the Rolling Lobe Air Spring is a reliable and high-quality choice for anyone looking to improve their semi-trailer suspension system. FleetPride is your First Click in Heavy Duty®.