Universal Auxiliary Gasoline Install Kit is used to install your new Auxiliary Gasoline Tank from Midway Tanks, to your trucks factory gas tank. For gasoline auxiliary tank install you must use an in-line pump to pump from your auxiliary tank into your factory tank as per diagram below. Our kit provides everything you need to install to most gasoline trucks (in-line pump sold separately). We do not currently offer an in-line pump. These are readily available at your local auto parts store.