Carter P4603HD 24 V Rotary Vane Electric Fuel Pump Carter Fuel Systems universal fit Rotary vane pumps are internally regulated, offer a free flow design with no points to burn out or shaft seals to leak Heavy Duty unit designed for use with 24 volt Marine systems 1/4 inch NPT inlet and outlet 6 psi output, 43 gph free flow Includes comprehensive installation kit and full instructions for a hassle free installation