TECHNICAL SPECS: Weight: 10.1oz (285grams) Outside Diameter: 39mm OD External Materials: Black plated steel with laser etching, green end caps Inlet Fitting: 7.7mm ID, 11.0mm OD Outlet Fitting: 8 mm hose clamp PRV Activation: 90 PSI Impeller Design: Single Scroll Ceramic Turbine VOLTAGE SPECS: Connector Terminal: 6 mm Spade (pos/neg) Min Voltage Input: 6 volts Max Voltage Input: 18 volts Current Draw (40 psi): 12 amps (13.5v) Current Draw (80 psi): 15 amps (13.5v) * Power rating given at 43 PSI, 13.5v at the pump with a BSFC of .5. Flow capability for horsepower support is ultimately dependent on fuel hose diameter, and system electrical voltage and amperage capabilities.