Selling an Overflow/Expansion tank that will work on a 1953, 1954 or 1955 Corvette 6 cylinder motor. Included is the very rare 778 Cap. The tank and cap were re-plated, stored, and are in excellent shape. Price for both pieces is $450 obo + shipping Overflow tank alone $325 obo + shipping 778 Cap alone $225 obo + shipping Please msg for more i