THE HOLLEY BLACK PUMP PUSHES OUT ABOUT 14 PSI, PROBLY NOT GOING TO WORK DEPENDING ON EFI SETUP, MY 57 IS LS1 FUEL INJECTED AND CALLS FOR AROUND 60 PSI, I WENT WITH A EXTERNAL WALBRO FUEL PUMP, WITH PUSH LOK HOSE HIGH PRESSURE HOSE. YOU CAN GET THE WALBRO PUMPS FOR AROUND 100.00 NEW