Drag Specialties 3.3 Gallon Gas Tank With Aero Gas Cap For Harley Sportster Features: This rubber-mounted bolt-on style flat bottom tank is made from heavy gauge steel and has reinforced seams and extra-strong mounting tabs The high-tunnel design adds fuel capacity without looking tall Includes aero-style locking gas cap Accepts a 22mm petcock, sold separately Note: Body work and painting required. May require seat nose modifications and relocation of ignition switch on some models.