The B8 5100 Bilstein shock absorbers are expertly designed with a monotube design and patented digressive valving to handle the demands of off-road driving. Their gas pressure technology ensures consistent performance in all conditions, making them ideal for tackling the rugged terrain of Australia. Through extensive testing and fine tuning, Bilstein has created a product that improves handling performance for all types of 4WD vehicles. This shock absorber features a monotube design for fade-free performance, patented digressive valving for instant reaction to changing conditions, and OEM certified mounting hardware for easy installation. Additionally, it is zinc plated for resistance against harsh elements, and includes durable vulcanized neoprene rubber bushings. Proudly made in the USA or Germany, this product is suitable for 0-1.5" lift applications.