B8 5125 Series Rear Driver or Passenger Side Monotube Smooth Body Shock Absorber for 4.0" Lifted Vehicles (33-185552) by Bilstein®. Quantity: 1 per Pack. The 5125 Series offers BILSTEIN technology for custom lifted applications. 5125 Series shocks feature BILSTEIN's superior single tube high gas pressure design for the upmost in consistent fade-free performance and long life.