Chevrolet added optional power steering to the Corvette's underpinnings beginning in 1963, encompassing an engine-driven pump, pitman arm control valve, pressure and return hoses, and a power ram ...

With the car lifted, we tried to adjust the steering by turning the adjusting nut with the engine running. The nut is located on the end of the power-steering control valve, under a cap.

Power steering was intended to help drivers of large or heavy vehicles to steer more easily when parking or heading around curves.