AWESOME Price on a Brand NEW Diesel Fuel Filter Mounting Head. 

Features: 

4x 3/8" NPT Threaded Fuel Ports 

2 Inlet Ports and 2 Outlet Ports Allow You To Connect Multiple Fuel Filters In Series or Parallel and You Can Have Fuel Enter or Exit From Either Side. 

2 Plugs Are Included In Case You Do Not Need The Extra Ports. 

1/4" NPT Threaded Top Test Port Can Be Used To Bleed Air, Test For Fuel Flow, Or Add A Gauge To Know When Its Time To Change The Filter. A Plug Is Included If You Do Not Want To Use This Port. 

1-12" Center Thread For Spin On Filter.