Tomei 740cc injectors are direct replacement for the RB25DET.
This size is used for 500+rwhp applications and fuel injection tuning is very critical to ensure proper driveability.
With this injector size, it is recommended to install a fuel pressure regulator and electronic fuel pressure gauge to monitor the fuel pressure under boost, making sure your fuel pump are able to keep up with the demand.
* Injector o-rings are not included.
** Injector lag time - 0.66 msec
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