Get your semi truck Ready for the Road Ahead with a high-efficiency hydraulic cylinder, with the Custom Hoists 7" x 154.56" Pin Mount 4-Stage Hydraulic Telescopic Cylinder. This replacement device is designed with a series of nested stages that collapse into one another, reducing the need for excessive space and a large range of motion. Engineered with multiple durable components to tolerate extreme pressures. FleetPride is your First Click in Heavy Duty .