Upgrade with Bilstein's 5100 Series Shocks! With years of experience and time-tested design, the Bilstein 5100 shock absorbers combine the perfect amount of off-road dependability with smooth, on road driving and affordability. Each shock absorber has been tested and tuned to your specific vehicle. 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. The 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. Bilstein 5100 shock absorbers offer a significant improvement in ride quality, handling, and comfort. You choose the destination, Bilstein will get you there. You can be confident knowing that Bilstein's patented digressive valving allow shock absorbers to instantly react to changing surface conditions, giving you a stable, controlled, and comfortable ride. Zinc plated for resistance against harsh elements. Made in the USA or Germany. | Vehicle Compatibility: Fits 2001-2003 Silverado/Sierra 1500/2500/3500 HD.