Diecast In-Tank Retrofit Fuel Module W/return 450 LPH Drop-In Retrofit EFI Fuel System W/hydramat Supports Up to 875 EFI or 1100 CARB HP (At 60 PSI at 13.5 Volts / 16.9 AMP Draw) of Course There Are Many Variables, Estimates Are Based on Gasoline - Holley - 12-137 | Black Sky Diesel