Holley's Dominator Series In-line Fuel Pumps are the answer to feeding your high horsepower naturally aspirated, nitrous fed, supercharged or turbocharged power plant! The patented twin pump design allows high pressure flow while maintaining a low amperage draw and quiet performance. Designed to work on high boosted race cars as well as your daily driven Drag Week car. With the compatibility of having 2 pumps at your disposal, this eliminates the unnecessary recirculating and heating of the fuel which can lead to hot fuel issues and a loss of performance. To the hard-core racer that wants to insure maximum fuel delivery, both pumps can be activated full time to deliver the high pressure needed. The heavy duty wiring can handle high input voltages without the worry. These pumps have twice the features in one budget friendly, quality product.