Fuel injector 6.1 g/s, EV-6 Plug in. Injectors provide 27% more fuel than the OEM 27400015 injectors and 11% more than the SE 5.5 G/S injectors. These deliver fuel at 6.1 grams per second through multiple spray holes. Recommended for performance engine combinations making over 110 rear wheel horsepower. Injector has EV-6 USCAR type connector.