Carter universal rotary vane electric fuel pumps operate using leaded and unleaded gasoline, gasohol, and fuel boosters. They have an internal pressure-regulating valve, and feature free-flow fuel delivery. These pumps have no points to burn out, and no shaft seals to leak or deteriorate.


PSI information below is direct from Carter USA

P4070 is 4-8 psi @72 gph (Old Colour was Gold, New Colour is Silver)
P4600HP is 6-8 psi @ 100 gph.
P4601HP is 12-16 psi @ 100 gph