The Goodyear Rolling Lobe Air Spring is a top-of-the-line air spring designed to provide superior performance and durability. Made with high-quality materials and advanced rubber chemistry, this air spring is built to last and withstand even the toughest conditions. Featuring a solid sleeve design and a bead plate (top) and deflated bellows O.D. of 8.6" at 19"(21.84 cm at 48.26 cm), this air spring is designed to provide maximum support and stability. The bellows, which are numbered 566243108, are made with high-quality materials and are built to last. The air inlet combination stud air fitting, which features a stud size of 3/4"-16 and an air fitting size of 1/4 in NPTF, is designed to provide easy and reliable air flow. The bottom plateis designed to provide maximum stability and support. The piston, which is made of high-quality aluminum, is designed to provide maximum support and durability. FleetPride is your First Click in Heavy Duty®.