just bolted up never used for blow through carb here is the info 410.00 shipped * 460+ Gallons per hour * Adjustable up to 43 PSI (Approx. 35 PSI max @ 12 Volts) (Approx. 43 PSI max @ 16 Volts) * External -8 AN bypass valve (adjustable) * Cleanable filter * Alcohol compatible * Works with 12 or 16 volts * 7 Vane impeller * -12 AN boss O-ring inlet & outlet ports * Continuous duty * From Pro Stock to Pro Street. This is the top of the line, maximum output pump for applications up to 2000 Horsepower. It can easily handle twin Dominator® carbs and multiple nitrous systems...All from one pump! Although referred to as a 'racing fuel pump', this pump as well as all of our others, is perfectly at home on high performance street cars. The custom built, heavy duty 3" diameter motor is made specifically for continuous duty. The body is C.N.C. machined from 6061-T6 billet aluminum and hard anodized for exceptional wear characteristics. The 7 vane impeller promotes excellent priming and smooth flow. It's cleanable filter element is a synthetic mesh screen which flows 4000 GPH. The pump is shown here in the traditional colors of blue/gold. Optional color combinations are: purple/gold and black/gold. Special color combinations are available for a nominal charge. Matching HI-FLO fittings available in blue, black, gold and purple.