High performance flow with a stock look. Dependable fuel flow from Carter. These Carter Muscle Car mechanical fuel pumps deliver original equipment appearance, fit and performance in a full range of domestic muscle car engines. They contain heavy duty diaphragms, high speed ''anti-float'' springs, large ''full flow'' valves, and lightweight all-aluminum castings. As with all Carter fuel pumps, they contain a tough, heat-treated lever.Output is 23GPH.