Tomei 555cc injectors are direct replacement for the RB25DET factory fuel rail, even the injector harness plugs right in.
With any kind of sports turbo upgrade on the RB25's, this is the minimum injector upgrade size that we recommend. Running larger injectors can help to delivery more fuel to the motor when needed under higher HP applications.
Even for low HP applications, injectors can be tuned to run lower duty cycle and less chance for injector failure which results from pushing the injector duty cycles too high.
* Injector o-rings are not included.
** Injector lag time: 0.71 msec
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