Turbosmart OPR T40 Oil Pressure Regulator 40psi (Blue) Impreza 91-96: Nissan Sentra

91-96: Nissan Sentra

-4AN Straight / -4AN 90 Degree

requires welding

but in reality it’s a step backwards in performance and reliability

Turbosmart OPR T40 Oil Pressure Regulator 40psi (Blue) Impreza 91-96: Nissan SentraTurbosmarts 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