Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace tolerances and procedures, three generations of track experience, and a meticulous approach to engineering, Aeromotive Fuel Systems has become the absolute pinnacle of performance fuel delivery. The A2000 flows enough fuel to support the world's quickest nitrous Pro-mods on gasoline, and is the industry's only fuel pump that uses a true diaphragm controlled, adjustable bypass valve, integral to the pump. This design dampens pressure spikes, delivering smoother, more controlled flow and pressure, ensuring more consistent E.T.s and win lights. Fuel Pump Inlet Type: ORB-10. Inlet Thread Diameter: 5/8", Outlet Thread Diameter: 5/8". Inlet Type: ORB-10, Outlet Type: ORB-10.