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Cooling System Expansion Tank
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Improve the efficiency of your cooling system by continually purging unwanted air. Works especially well in race cars with low mount radiators. Features 1/4'' pipe overflow fitting, 1/2'' pipe inlet fitting and your choice of stamped steel or billet aluminum filler neck (ideal for continuous removal/installation of cap). Uses a standard size radiator cap (not included). 6-1/2'' high x 7'' wide x 2-5/8'' deep (1 quart) or 3-5/8'' deep (1-1/2 quart).