Simply drill a 1-1/16" hole and insert the black 10AN fitting from the outside and install the aluminum baffle on the inside of the valve cover. The baffled fitting prevents excess oil from being pulled into your vacuum pump.
10 AN No Weld Alum Vacuum Baffle for Racing Vacuum Pump w/Polished blue fitting
12 AN No Weld Vacuum Baffle for Racing Vacuum Pump or Crankcase Vent Green Fitt
Vacuum Baffle SimChrome Polished Silver 12 AN No Weld for Racing Vacuum Pump
Show Chrome Plated 12 AN No Weld Vacuum Baffle for Racing Vacuum Pump Aluminum
12 AN No Weld Vacuum Baffle for Racing Vacuum Pump or Crankcase Vent blue Fitt
12 AN No Weld Vacuum Baffle for Racing Vacuum Pump or Crankcase Vent Gold Fittng
