Upgrading the horsepower on you ride? Is your Mustang fuel pump not up to it or failing - upgrade to a BBK Performance direct replacement 255 LPH in tank electric fuel pump - This 255 Liter Per Hour pump will make sure your car gets all the fuel it needs to make the horsepower you want. Kits include all new gaskets, wiring, and connectors to make this a real easy swap installation.Please Note: Pumps will not work on Post 97 "Return less" Style Fuel Systems. BBK fuel in tank pumps are available in 110LPH-155LPH-190LPH-255LPH. NOTE: These BBK fuel pumps are E85 compatible. When using this fuel it can and maybe harmful to OE fuel lines and other fuel system components that are not resistant to Ethanol - be sure to check and upgrade where necessary.