Designed for EFI conversions using your stock fuel tank. Available in 255 LPH, 350 LPH, 450 LPH or 525 LPH Models in return line and returnless designs. An In-Tank Retrofitted Fuel Pump Modules will convert your factory tank or fuel cell to an in-tank EFI fuel system. These kits will fit any fuel tank depth from 7 to 12 inches. Supporting up to 1450 Horsepower depending on the selection you make!