Peterson Fluid Systems Adjustable Vacuum Regulator 192 Counter Weight Kit if Required

Counter Weight Kit if Required 564111 (sold separately)

Pre-terminated at the plug end

Hex-head and 12-point types are available

Intake runner volume: 190cc

1987-1996 GMC G3500

Peterson Fluid Systems Adjustable Vacuum Regulator 192 Counter Weight Kit if RequiredPeterson'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