EFI supply handles a full line of Bosch, Siemens Deka, FAST, Holley and AcceI fuel injectors. Before making a decision regarding injector size, we encourage you to try our injector sizing utility at the bottom of the page to determine which injector size and type best meets your needs:

High Impedance (Stock or Aftermarket ECU)


Low Impedance (Aftermarket ECU)


Click here to open the EFI Supply Injector sizing utility