Walbro 255LPH in tank fuel pump model GCA - 758 . LS swap and EFI fuel pump.
This Walbro (Ti - Automotive) in tank fuel pump is commonly used for doing LS swaps on older vehicles. The flow rate of this pump is 255 Lph and is the most common fuel pump used in factory fuel tanks for GM and Chevrolet engine swaps.
Be sure to check compatibility with your sending unit before ordering this pump.
Walbro pumps come with a 1 year manufacturers warranty.
For higher horsepower or flow applications the Aeromotive 340 is considered a good option The Aeromotive Stealth 340 pump found HERE.