This O.E.M. Chevrolet shifter body is a perfect fit for your 55, 56, or 57 Chevy. The chrome shift lever handle arm and shifter knob are included in the package, along with the manufacturer part number 5225. The transmission type is automatic, and the material is a combination of plastic and steel. This vintage part is a must-have for any Chevy enthusiast, and it's ready to be installed in your car.