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What are your fuel pump requirements for LS engines?

Recommended fuel pump - 58-60psi and 240-340LPH flow

Any good electric fuel pump that can provide 58-60psi of pressure to the injectors and a flow rate between 240-340LPH depending on the HP rating of the engine.  Above 625HP a 340LPH should be used.   Having more flow than needed is never a bad thing.   These can be in tank pumps or frame mounted.