This baffle fitting will help keep excess oil from entering your Vacuum pump. This is a universal fitting that can be used with Virtually any brand of vacuum pump. Easy installation.No welding necessary!  Just drill  1-1/16" hole in your valve cover and install the fitting. It is that easy! We stock these fittings in blue, black and Show Chrome. They are available in to fit -10an hose and -12 an hose.