Up for sale is one vintage aftermarket accessory custom chrome voltage regulator cover to fit certain Ford products.....according to the box it fits "Ford Products 1965-1966 and Mercury & Thunderbird 1963-1964". Made by California Custom, most likely in the 1960's era. MAY fit SOME of the following: 1965-1966 Ford, Mustang, Falcon, Fairlane.....1963-1964 Mercury and Thunderbird. Use the pictures and the measurements for your needs. Cover measures 3 1/4" X 3 7/8" X 1 3/4" tall. Mounting holes are 3 1/4" center to center. Excellent new old stock, unused condition. Comes in the original box which will display very nicely. Buying as is. Check out my other items for sale. PayPal is preferred.