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Edelbrock supplemental fuel pump kit #15773 includes a replacement fuel pump, fuel level sender and regulator hardware for GM trucks using the #1577 supercharger system. This kit is intended for 2003–2007 models equipped with a return-style fuel system (identified by two fuel lines from the fuel rail) and provides the components needed to upgrade fuel delivery for that specific configuration.
Edelbrock Fuel Pump Kit Supercharger 2003-2007 GM 1500 Truck Return Type Fuel System
