Turbosmart OPR T40 Oil Pressure Regulator 40psi (Blue) Impreza Exducer: 55mm

Exducer: 55mm

we have also added the option to purchase replacement trigger kit washers

-4AN Straight / -4AN 90 Degree

These new gears are significantly stronger than the OEM gears as well as all other aftermarket gear and fit directly into your oil pump housing without modification

91-96: Nissan Sentra

Turbosmart OPR T40 Oil Pressure Regulator 40psi (Blue) Impreza Exducer: 55mmTurbosmarts Patent Pending OPRt40 is an Oil Pressure Regulator designed for your Turbocharger. Many Turbochargers are built around a bearing and oil pressure profile much lower than is seen by modern & hi performance, engines and feeding these turbochargers the appropriate amount of oil pressure has always been a challenge. Traditional methods to limit oil pressure have been with a restrictor, aimed at reducing pressure. However this also reduces