Edelbrock part #17301 fuel pump is a gravity fed type pump with a simple 2 wire design. It requires approximately one amp average draw at maximum delivery and works on 12 Volt negative ground systems only. It features an in-line style rotor and vane pump Product Features:Electric Pump TypeIn-line Electric Fuel Pump7 PSI Minimum PressureMounting Hardware IncludedHose Barb Inlet Type