Bilstein B8 5100 series (Ride Height Adjustable) shock absorbers are designed for lifted trucks and SUVs. This specific rear left shock absorber (Part No. 25-294118) features a monotube design which provides consistent, fade-free performance. It utilizes a unique velocity-sensitive, digressive piston which reacts to changing road conditions. All B8 5100 shock absorbers are tuned for each specific application to ensure optimal performance is achieved. This unit offers a significant improvement in ride quality, handling, and comfort. NOTE: This is a single rear left unit. Included components: 1 x Shock Absorber (25-294118), 1 x Bushing/Hardware kit.