Upgrade your vehicle's handling and stability with the Bilstein B6 46mm Monotube Shock Absorber. Designed specifically for the GMC Sierra and Chevrolet 2500 series, this shock absorber offers incredible performance without compromising ride comfort. It features a gas-pressure monotube design for consistent, fade-free performance under heavy loads or off-road conditions. Part number 24-025683 is a single rear shock unit. Features: 46mm piston diameter, Zinc-plated finish, and Bolt-on installation. Package includes: 1x Shock Absorber (24-025683), 1x Mounting Kit (Hardware included).