Bilstein 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. These shock absorbers feature a monotube design which provides consistent fade free performance. 5100 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All 5100 shock absorbers are tuned for each specific application to assure optimal performance is achieved. 5100 shock absorbers offer a significant improvement in ride quality, handling, and comfort.