For applications where the stock in-tank fuel pump will not flow enough fuel. This fuel pump will flow enough fuel to support over 400 HP at 75 PSI! Ideal for strokers, turbocharged/supercharged engines, and any other application putting serious power to the ground. Fits the stock in-tank fuel module in all 2001-2010 Harley Davidson fuel-injected motorcycles with the single-bore Delphi throttle body.