Peterson Fluid Systems Adjustable Vacuum Regulator HSMED11M61 Includes +15 PSI higher pressure

Includes +15 PSI higher pressure relief spring installed and optional standard pressure relief spring

6L engines

1992-1994 Chevrolet Commercial Chassis

2008-2017 Freightliner XC Modular Rail

Calibrations Available For Manual And Automatic Transmission

Peterson Fluid Systems Adjustable Vacuum Regulator HSMED11M61 Includes +15 PSI higher pressurePeterson's new adjustable vacuum regulator is on the leading edge of engine management. It has been proven to regulate crankcase vacuum and hold a steady level through extensive testing. Vacuum can be regulated from as high as 29. 7 in hg down to 2 in hg. This regulator is machined from Billet aluminum and features the same great quality as all of Peterson's products. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling