AL-KO Xtreme heavy duty shocks are designed for trucks and vans that carry heavy loads. AL-KO Xtreme heavy duty shocks are engineered to improve vehicle stability and reduce body roll when turning and nose-diving during braking. AL-KO Xtreme heavy duty shocks offer a high performance option for maximum vehicle specific damping forces. AL-KO Xtreme heavy duty shocks are engineered to provide superior off road, hauling, and towing control. AL-KO Xtreme heavy duty shocks include Fuchs low viscosity high performance all-weather hydraulic oil to provide both excellent thermos-stability and constant damping forces at high operating temperatures. The included Monster seamless tubes provide a greater oil capacity than standard aftermarket shocks. The combinations of galvanic hardened-chrome plated piston Rods provide an increased fluid displacement that provides quick reaction rates to road impacts. The included precision-engineered valve system easily controls vibration and spring oscillation. AL-KO Xtreme heavy duty shocks deliver firm control without a harsh ride. AL-KO Xtreme manufactures quality products that are built to last.