These Tomei side-feed, high impedance injectors are direct drop in injectors for the SR20DET or KA24DE factory fuel rail. The injector harness plugs right in without any modifications. Tomei 555cc injectors are designed for mild horsepower applications (less than ~380rwhp). The injector O-Rings are not included with this set.
Injector specs:
Direct drop-in injectors for the SR20DET or KA24DE motors