1/4" NPT to 4AN Turbo Feed Fitting - Restricted 1.8mm - BorgWarner

This fitting is manufactured exclusively for BenzForce.  Made from stainless steel and restricted to 1.8mm.  This will fit the BorgWarner turbos we sell. PROBLEM/ISSUE: We had one of our awesome customers install a new BW s362 on a newly rebuilt Mercedes om606 (great oil pressure).  After a couple of test runs, the turbo started to leak oil.  After contacting our BW distributor rep, we were told that if high oil pressure was expected to use an oil pressure regulator.  They would NOT disclose a maximum oil pressure as Holset does nor would they warranty the brand new turbo! The oil pressure regulator they referred us to was the 40 PSI Turbosmart model which we sell but 99% of the customers will not run it, therefore we used our internal regulator calculator to get the correct size opening for this fitting. WHAT IS THE RESTRICTOR? This is a mechanical part used to reduce the oil pressure before entering the turbo, in our case we need to reduce the pressure from 105 PSI to 50 PSI.  The