1957-1965 Chevy & Corvette Fuel Injection Choke Assemby Thermostat. All components are Newly Manufactured. Must request a either a 57 or 58 unit as they have a slight difference. Lifetime guarantee at a price of $165 per Choke unit: Brian Seibert and Frank Antonicelli, Harrisburg, PA. 717-742-7855 or 717-215-4740