The Vintage American Bosch Voltage Regulator RGD 6b1 is a classic car part manufactured in the United States by Bosch. This bolt-on voltage regulator is designed for specific vintage vehicles, making it a unique and sought-after item for car enthusiasts looking to restore or maintain the original look and performance of their vehicles. With its authentic design and country of origin, this regulator is sure to be a standout addition to any classic car collection. Buying as pictured old stock never used but has some very light rust