The perfect shock – on or off road. With years of experience and time - tested design, the Bilstein B8 5100 shock absorbers combine the perfect amount of off - road dependability with smooth, on road driving and afability. Each shock absorber has been tested and tuned to your specific vehicle. A solid combination of performance and reliability. Bilstein knows that you depend on your vehicle for many aspects in life, and they build a product that you can count on. When it comes to performance and dependability, you can trust that Bilstein builds to the highest of quality and safety standards. Bilstein B8 5100 and B6 4600 series 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. B8 5100 and B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All Bilstein shock absorbers are tuned for each specific application to assure optimal performance is achieved. Bilstein shock absorbers offer a significant improvement in ride quality, handling, and comfort. At Bilstein, they manufacture high - quality shock absorbers and suspension systems. Driving dynamics is their passion: Realizing the perfect driving behavior, building the perfect shock absorber – that is the motivation that drives Bilstein. Every day. And they have been doing so for around 70 years. | Vehicle Compatibility: Fits 2003 - 2009 Hummer H2 with 2 - 2.5" Front Lift