Turbosmart OPR V2 Oil pressure regulator The Turbosmart OPR V2 Turbocharger Oil Pressure Regulator provides rock-solid oil pressure for your turbocharger from a simple, inline returnless regulator and includes a built-in 44 micron stainless steel mesh oil filter. The Turbosmart OPR V2 is a world-first non-return regulator that achieves target oil pressure through Turbosmart's patent-pending flow control strategy, to deliver a laminar flow of oil to your turbocharger, regardless of base engine oil pressure or temperature. Suitable for all known engine oils, OPR V2 from Turbosmart will regulate down any oil pressure to ensure that the critical balances inside your turbocharger (exhaust drive, reverse and charge pressure) are not compromised by overpressurized engine oil causing oil consumption and smoke formation. No more trial and error with throttle screws and port sizes, or having to fit and insert a return line to regulate the oil pressure in your turbocharger. The built-in stainless