The Bilstein B6 4600 Series 24-221948 is a high-performance rear gas pressure shock absorber designed specifically for Chevy Express and GMC Savana 2500/3500 vans. Built with a 46mm monotube design, it provides superior control, stability, and comfort under heavy load conditions. Its unique velocity-sensitive digressive piston reacts instantly to changing road conditions, making it an ideal upgrade for stock height vehicles used for hauling or towing. Features: Platinum finish, Monotube Gas Pressure technology, Direct bolt-on installation. Package contents: 1 x Shock Absorber (Part Number: 24-221948).