The Monroe Shocks & Struts Lower Top Shock Absorber is the ultimate solution for class 3-6 vehicles that demand high performance and durability. This gas-charged shock absorber is designed to provide a stable ride and quicker response, making it the perfect choice for trucks and buses that are subjected to high mileage and severe use. Featuring an exclusive 10-stage valving system, this shock absorber provides consistent control at all speeds, ensuring a smooth and comfortable ride. The robust hydraulic lock-out mechanism prevents over extension of air bags, top-out of the piston, and damage to the seal assembly, making it a reliable and long-lasting solution for your vehicle. The bearing with Polytetrafluoroethylene coating reduces friction between the rod and rod guide, while the nitro carburized piston rod provides exceptional durability and longer service life. This combination of features delivers exceptional control and isolates impact-related noise, vibration, and harshness under most driving conditions. With its superior design and construction, it's the perfect choice for drivers who demand the best. FleetPride is your First Click in Heavy Duty®.