Prepare your semi truck to be Ready for the Road Ahead , with the Parker 8" x 235" Pin Mount 5-Stage Hydraulic Telescopic Cylinder that functions as a high-efficiency hydraulic cylinder. Due to its series of nested stages that collapse into one another, this replacement device reduces the need for excessive space and a large range of motion. Constructed with multiple durable components to withstand extreme pressures. FleetPride is your First Click in Heavy Duty .