Carter Super Strip Mechanical Fuel Pump for all Big Block and 426 Hemi Engines. This Super Strip Pump contains Heavy-Duty Diaphragms, High Speed “Anti-Float Springs, Large “Full Flow” Valves, Lightweight all Aluminum Castings and a Tough, Heat-Treated Lever. Fuel Preasure Output is 8.0-9.5 PSI at 120 GPH. Fuel Inlet and Outlet Ports are 1/4″ NPT that are Clocked(Positioned) for the most Popular O.E. Fuel Line Routing, but can be Re-clocked(Repositioned) for your Particular Application if needed. For use on Applications WITHOUT Vapour Return Lines. NOT intended for Marine Usage. Gasket included.