This is a vintage headlight switch and knob for Dodge Plymouth cars from 1971 to 1974. It is compatible with Charger R/T, Road Runner, Satellite, and GTX models. This part is a great addition to your car restoration project or as a replacement for a broken original. . It is designed to fit perfectly and function flawlessly with your car's electrical system. Buy with confidence and enjoy the classic look and functionality of this headlight switch retaining nut and knob.     A2