New Genuine Nissan Stagea RB25DET Fuel Pressure Regulator. Proper factory set unit for RB engines to deliver the best jetting performance to the injector. Hard to find Unsia-Jecs unit is the only unit that allows your injector to perform their best under factory and mild tuned applications.  Fits Series 1 Stagea from 06.1996 - 08.1998.