The Edelbrock supplemental fuel pump kits are required for GM trucks and SUV's utilizing the EDL1578, EDL1579, EDL1564 & EDL1567 E-Force supercharger systems. Failure to use the supplemental fuel pump kit may result in engine damage and void your Edelbrock E-Force Supercharger's warranty.
These supplemental fuel pump kits are not required for Flex Fuel models. Flex Fuel models come standard with adequate fuel systems that properly operate with the Edelbrock E-Force Supercharger system.
These supplemental fuel pump kits include a replacement fuel pump, control module and fuel level sender.
System #15791 includes additional larger fuel injectors.