Extended Dash Tank Kit - Quickbob? - Sportster Fully functional extended design, 2" longer than a standard Quickbob tank, Allows the lines of the tank to flow into the lines of the seat for a great custom look, Comes with necessary mounting brackets, 3.9-gallon fuel capacity, Utilizes a 22 mm petcock, Has a cutout in rear for seat nose (some seats may need to be modified).