Brand New BDS NX2 Nitro Front Shock with 3-5 Inch Lift (Part #BDS85621). Upgrade your Chevy Silverado or GMC Sierra 2500 HD/3500 HD 4WD with BDS NX2 Nitro Series front shocks for high-end performance at an affordable price. They use a pressurized nitrogen-charged twin-tube design with 10-stage velocity-sensitive valving for lightning-fast dampening adaptive to whatever terrain you traverse on- or off-road. The 2-inch bodied shocks use a large 1-3/8-inch fluon-banded piston, self-lubricating seals, and a 14mm hardened chrome shaft to help resist rock chips and corrosion. Polyurethane bushings and metal sleeves are included to make swapping over your shocks a breeze. Designed to work with 3 to 5-inch lift kit. Compatible with: Chevrolet: 2011-2026 Silverado 2500 HD 4WD 2011-2026 Silverado 3500 HD 4WD GMC: 2011-2026 Sierra 2500 HD 4WD 2011-2026 Sierra 3500 HD 4WD Features: Vehicle-specific valving for better control Pressurized nitrogen-charged twin-tube design 10-stage velocity-sensitive valving Dual-welded ends for increased strength 1-3/8-inch fluon-banded piston with self-lubricating seals High-end performance at an affordable price Specs: Lower Mount Type: Eyelet Upper Mount Type: Eyelet Gas Charged: true Adjustable: false Adjustable Dampening: No Compressed Length: 14.6 in Travel Length: 6.87 in Shaft Diameter: 14mm