Up for auction is a new top notch voltage regulator made by Mitchell's here in Chicago years ago part number #591225. Fits the following; 1955-57 Chevy & Pontiac; 1956 Hudson; 1955-57 Nash; and 1956-62 Rambler. Package is still sealed never opened USA made good item to up grade with or keep as a spare getting hard to find quality units. Long obsolete email me with any ??????? B9718